Readings must be done before the date listed, so that you arrive prepared to discuss them. For required readings, students should read these papers carefully and be prepared to discuss the minutiae of these papers, and to provide critical commentary on the design and execution of the study. Students should skim recommended readings, to the point where you could summarize the data, methods, and key results. Other readings are optional.
- Jan 20: Introduction
- Jan 27: Data: Traditional data and satellite imagery
- Feb 3: Data: Mobile phone data
- Feb 10: Data: Internet and social media
- Feb 17: Privacy
- Feb 24: Ethics
- Mar 3: Data and Applications: Financial services
- Mar 10: Applications: Targeting
- Mar 17: Applications: Public Health and Epidemiology
- Mar 31: Applications: Disasters, Displacement, Crime, and Civil Unrest
- Apr 7: No class (catch-up day)
- Apr 14: Applications: Environment & Sustainability
- Apr 21: Generative AI
- Apr 28: Final Presentations
January 20: Introduction
- Lecture 1: Course overview
- Lecture 2: Poverty targeting with machine learning, satellite imagery, and mobile phone data in Togo
- Discussion: Final project brainstorming
Required readings
- Blumenstock, J. (2018). Don’t forget people in the use of big data for development. Nature, 561(7722), 170–172.
January 27: Traditional data and satellite imagery
Assignment due: Background survey and self-introduction. Please complete the short background survey and self-introduction on bCourses. Make sure to add your slide to the self-introductions deck.
- Lecture 1: Traditional data and measurement gaps
- Lecture 2: Satellite imagery and remote sensing
- Discussion: Final project brainstorming
Required readings
- Jean, N. et al. (2016). Combining satellite imagery and machine learning to predict poverty. Science 353, 790–794. Also read the supplementary materials.
- Jerven, M. (2014). Poor numbers and what to do about them. The Lancet 388.
- Spend 10 minutes on One Hundred Homes
Recommended readings
- Chapter 1 (“Measuring Poverty”) from: Banerjee, A.V., Benabou, R., and Mookherjee, D. (2006). Understanding Poverty. Oxford University Press, Oxford ; New York.
- Burke, M., Driscoll, A., Lobell, D., and Ermon, S. (2020). Using Satellite Imagery to Understand and Promote Sustainable Development. Science 371.
- Chi, G., Fang, H., Chatterjee, S., and Blumenstock, J. E. (2022). Microestimates of wealth for all low-and middle-income countries. Proceedings of the National Academy of Sciences, 119(3), e2113658119.
- Sahoo, Roshni, Joshua Blumenstock, Paul Niehaus, Leo Selker, and Stefan Wager. 2025. “What Would It Cost to End Extreme Poverty?” Working Paper No. 34583. Working Paper Series. National Bureau of Economic Research, December. https://doi.org/10.3386/w34583.
Optional readings
For those with less background in development economics and applied microeconomics
- Banerjee, A.V., Duflo, E., 2007. The economic lives of the poor. Journal of Economic Perspectives 21, 141–167.
- Olken, Benjamin A. 2020. “Banerjee, Duflo, Kremer, and the Rise of Modern Development Economics.” The Scandinavian Journal of Economics 122 (3): 853–78.
- Athey, S., Imbens, G.W., 2017. The State of Applied Econometrics: Causality and Policy Evaluation. Journal of Economic Perspectives 31, 3–32.
- Duflo, E., Glennerster, R., Kremer, M., 2007. Using randomization in development economics research: A toolkit. Handbook of Development Economics 4, 3895–3962.
On traditional data and measurement gaps
- Ravallion, M. (2020). On measuring global poverty. Annual Review of Economics, 12, 167-188.
- Cameron, Grant J., Hai‐Anh H. Dang, Mustafa Dinc, James Foster, and Michael M. Lokshin. 2021. “Measuring the Statistical Capacity of Nations*.” Oxford Bulletin of Economics and Statistics 83 (4): 870–96. https://doi.org/10.1111/obes.12421.
- Deaton, Angus. 2016. “Measuring and Understanding Behavior, Welfare, and Poverty.” American Economic Review 106 (6): 1221–43. https://doi.org/10.1257/aer.106.6.1221.
- Sandefur, Justin, and Amanda Glassman. 2015. “The Political Economy of Bad Data: Evidence from African Survey and Administrative Statistics.” The Journal of Development Studies 51 (2): 116–32. https://doi.org/10.1080/00220388.2014.968138.
- Aiken, Emily, Joshua E Blumenstock, and Tim Ohlenberg. 2025. “Moving Targets: Can Machine Learning Help Proxy Means Tests Better Account for Poverty Dynamics?” Working Paper.
- Espey, Jessica M., Andrew J. Tatem, and Dana R. Thomson. 2025. “Disappearing People: A Global Demographic Data Crisis Threatens Public Policy.” Science 388 (6753): 1277–80. https://doi.org/10.1126/science.adx8683.
Overviews of satellite imagery in development
- Donaldson, D., Storeygard, A., 2016. The View from Above: Applications of Satellite Data in Economics. Journal of Economic Perspectives 30, 171–198. doi:10.1257/jep.30.4.171
- Khan, M. (2018). Launching into space: Using satellite imagery in financial services. Partnership for finance in a digital Africa.
- Septiandri, A. et al. (2023). WEIRD FAccTs: How Western, Educated, Industrialized, Rich, and Democratic is FAccT? In Proceedings of the 2023 ACM Conference on Fairness, Accountability, and Transparency (FAccT ’23).
- Carnap, Tillmann von, Reza M. Asiyabi, Paul Dingus, and Anna Tompsett. 2026. “Using Satellite Imagery to Map Rural Marketplaces and Monitor Their Activity at High Frequency.” arXiv:2407.12953. Preprint, arXiv, January 9. https://doi.org/10.48550/arXiv.2407.12953.
- Aiken, Emily, Esther Rolf, and Joshua Blumenstock. 2023. “Fairness and Representation in Satellite-Based Poverty Maps: Evidence of Urban-Rural Disparities and Their Impacts on Downstream Policy.” IJCAI, ahead of print. https://doi.org/10.48550/arXiv.2305.01783.
Poverty mapping with satellites and remote sensing
- Engstrom, Ryan, Jonathan Hersh, and David Newhouse. 2022. “Poverty from Space: Using High Resolution Satellite Imagery for Estimating Economic Well-Being.” The World Bank Economic Review 36 (2): 382–412. https://doi.org/10.1093/wber/lhab015.
- Head, A., Manguin, M., Tran, N., Blumenstock, J.E. 2017. Can Human Development be Measured with Satellite Imagery? ICTD ’17: Proceedings of the Ninth International Conference on Information and Communication Technologies and Development.
- Henderson, J.V., Storeygard, A., Weil, D.N., 2012. Measuring Economic Growth from Outer Space. American Economic Review 102, 994–1028. doi:10.1257/aer.102.2.994
- Martinez, L. R. (2022). How much should we trust the dictator’s GDP growth estimates? Journal of Political Economy, 130(10), 2731-2769.
- Sherman, Luke, Jonathan Proctor, Hannah Druckenmiller, Heriberto Tapia, and Solomon M. Hsiang. 2023. “Global High-Resolution Estimates of the United Nations Human Development Index Using Satellite Imagery and Machine-Learning.” Working Paper No. 31044. Working Paper Series. National Bureau of Economic Research, March. https://doi.org/10.3386/w31044.
- Rolf, Esther, Jonathan Proctor, Tamma Carleton, et al. 2021. “A Generalizable and Accessible Approach to Machine Learning with Global Satellite Imagery.” Nature Communications 12 (1): 4392. https://doi.org/10.1038/s41467-021-24638-z.
- Yeh, C., Perez, A., Driscoll, A., Azzari, G., Tang, Z., Lobell, D., Ermon, S., Burke, M., 2020. Using publicly available satellite imagery and deep learning to understand economic well-being in Africa. Nature Communications 11, 2583. https://doi.org/10.1038/s41467-020-16185-w
Mapping built areas and infrastructure
- Cadamuro, G., Muhebwa, A., Taneja, J., 2018. Assigning a Grade: Accurate Measurement of Road Quality Using Satellite Imagery. arXiv:1812.01699
- Liu, P., Liu, X., Liu, M., Shi, Q., Yang, J., Xu, X., & Zhang, Y. (2019). Building footprint extraction from high-resolution images via spatial residual inception convolutional neural network. Remote Sensing, 11(7), 830.
- Tiecke, T. G., Liu, X., Zhang, A., Gros, A., Li, N., Yetman, G., … & Dang, H. A. H. (2017). Mapping the world population one building at a time. arXiv preprint arXiv:1712.05839.
Satellite imagery in impact evaluation and change detection
- Ratledge, N., Cadamuro, G., de la Cuesta, B., Stigler, M., & Burke, M. (2022). Using machine learning to assess the livelihood impact of electricity access. Nature, 611(7936), 491-495.
- Zheng, Zhuo, Timothy Wu, Richard Lee, et al. 2026. “Dynamic, High-Resolution Poverty Measurement in Data-Scarce Environments.” Journal of Development Economics 179 (February): 103691. https://doi.org/10.1016/j.jdeveco.2025.103691.
- Rambachan, Ashesh, Rahul Singh, and Davide Viviano. 2025. “Program Evaluation with Remotely Sensed Outcomes.” arXiv:2411.10959. Preprint, arXiv, October 27. https://doi.org/10.48550/arXiv.2411.10959.
- Huang, L. Y., Hsiang, S. M., & Gonzalez-Navarro, M. (2021). Using satellite imagery and deep learning to evaluate the impact of anti-poverty programs. National Bureau of Economic Research Working Paper No. 29105.
- Klemmer, Konstantin, Esther Rolf, Caleb Robinson, Lester Mackey, and Marc Rußwurm. 2024. “SatCLIP: Global, General-Purpose Location Embeddings with Satellite Imagery.” arXiv:2311.17179. Preprint, arXiv, April 12. https://doi.org/10.48550/arXiv.2311.17179.
- Michler, J. D., Josephson, A., Kilic, T., & Murray, S. (2022). Privacy protection, measurement error, and the integration of remote sensing and socioeconomic survey data. Journal of Development Economics, 158, 102927.
- Mueller, Hannes, Andre Groeger, Jonathan Hersh, Andrea Matranga, and Joan Serrat. 2021. “Monitoring War Destruction from Space Using Machine Learning.” Proceedings of the National Academy of Sciences 118 (23): e2025400118. https://doi.org/10.1073/pnas.2025400118.
- Deininger, Klaus, Daniel Ayalew Ali, Nataliia Kussul, Andrii Shelestov, Guido Lemoine, and Hanna Yailimova. 2023. “Quantifying War-Induced Crop Losses in Ukraine in near Real Time to Strengthen Local and Global Food Security.” Food Policy 115 (February): 102418. https://doi.org/10.1016/j.foodpol.2023.102418.
AI and development
- Adams, Rachel, Ayantola Alayande, Zameer Brey, et al. 2023. “A New Research Agenda for African Generative AI.” Nature Human Behaviour, October 6, 1–3. https://doi.org/10.1038/s41562-023-01735-1.
- De-Arteaga, M. et al. (2018). Machine Learning for the Developing World. ACM Transactions on Management Information Systems 9.
- Sambasivan, N. and Holbrook, J. (2018). Toward responsible AI for the next billion users. ACM Interactions 26, 68–71.
February 3: Phone data, mobility, and migration
Assignment due: Pie-in-the-sky final project ideas. See guidelines here.
- Lecture 1: Mobile phone data
- Lecture 2: Mobility, migration, and displacement
- Activity: Final project ideas
Required readings
- Blumenstock, J., Cadamuro, G., On, R., 2015. Predicting poverty and wealth from mobile phone metadata. Science 350, 1073–1076. Also read the supplementary materials.
- Taylor, L. (2015). No place to hide? The ethics and analytics of tracking mobility using mobile phone data. Environment and Planning D: Society and Space, 34(2), 319–336.
Recommended readings
- Aiken, Emily, Joshua E. Blumenstock, Sveta Milusheva, and Merritt Smith. 2026. “Predicting Well-Being with Mobile Phone Data: Evidence from Four Countries.” American Economic Review: Papers and Proceedings.
- Wesolowski, A., Eagle, N., Noor, A.M., Snow, R.W., and Buckee, C.O. (2012). Heterogeneous Mobile Phone Ownership and Usage Patterns in Kenya. PLOS ONE 7, e35319.
- Miyauchi, Yuhei, Kentaro Nakajima, and Stephen J. Redding. 2025. “The Economics of Spatial Mobility: Theory and Evidence Using Smartphone Data*.” The Quarterly Journal of Economics 140 (4): 2507–70. https://doi.org/10.1093/qje/qjaf038.
- Chi, Guanghua, Guy J. Abel, Drew Johnston, Eugenia Giraudy, and Mike Bailey. 2025. “Measuring Global Migration Flows Using Online Data.” Proceedings of the National Academy of Sciences 122 (18): e2409418122. https://doi.org/10.1073/pnas.2409418122.
Optional readings
Overviews of mobile phone data in development
- Blondel, V.D., Decuyper, A., Krings, G., 2015. A survey of results on mobile phone datasets analysis. EPJ Data Sci. 4, 10. doi:10.1140/epjds/s13688-015-0046-0
- UN Global Pulse, 2017. The State of Mobile Data for Social Good
- United Nations. 2019. Handbook on the Use of Mobile Phone Data for Official Statistics.
- Okmi, Mohammed, Lip Yee Por, Tan Fong Ang, et al. 2023. “Mobile Phone Data: A Survey of Techniques, Features, and Applications.” Sensors 23 (2). https://doi.org/10.3390/s23020908.
- Oliver, Nuria, Bruno Lepri, Harald Sterly, et al. 2020. “Mobile Phone Data for Informing Public Health Actions across the COVID-19 Pandemic Life Cycle.” Science Advances 6 (23): eabc0764. https://doi.org/10.1126/sciadv.abc0764.
- Watch some of the videos from this conference on mobile data for development
Mobile phone use demographics and biases
- Blumenstock, J.E., Eagle, N., 2012. Divided We Call: Disparities in Access and Use of Mobile Phones in Rwanda. Information Technology and International Development 8, 1–16.
- Aiken, E., Thakur, V., & Blumenstock, J. (2022). Phone Sharing and Cash Transfers in Togo: Quantitative Evidence from Mobile Phone Data. In ACM SIGCAS/SIGCHI Conference on Computing and Sustainable Societies (COMPASS) (pp. 214-231).
- Wesolowski, Amy, Nathan Eagle, Abdisalan M. Noor, Robert W. Snow, and Caroline O. Buckee. 2013. “The Impact of Biases in Mobile Phone Ownership on Estimates of Human Mobility.” Journal of The Royal Society Interface 10 (81): 20120986. https://doi.org/10.1098/rsif.2012.0986.
Privacy and access (See also readings under Privacy week)
- Landau, S. (2016). Transactional information is remarkably revelatory. Proceedings of the National Academy of Sciences of the United States of America, 113(20), 5467–5469.
- Abebe, R. et al. (2021). Narratives and Counternarratives on Data Sharing in Africa. In Proceedings of the 2021 ACM Conference on Fairness, Accountability, and Transparency Pp. 329–341. FAccT ’21. New York, NY, USA: Association for Computing Machinery.
- de Montjoye, YA., Gambs, S., Blondel, V. et al. On the privacy-conscientious use of mobile phone data. Sci Data 5, 180286 (2018).
Predicting welfare from mobile phone data
- Decuyper, A., Rutherford, A., Wadhwa, A., Bauer, J.-M., Krings, G., Gutierrez, T., Blondel, V.D., Luengo-Oroz, M.A., 2014. Estimating Food Consumption and Poverty Indices with Mobile Phone Data. arXiv preprint arXiv:1412.2595.
- Eagle, N., Macy, M., Claxton, R., 2010. Network Diversity and Economic Development. Science 328, 1029–1031. And Supplementary Materials
- Frias-Martinez, V., Virseda, J., 2012. On the relationship between socio-economic factors and cell phone usage, in: Proceedings of the Fifth International Conference on Information and Communication Technologies and Development, ICTD ’12. ACM, New York, NY, USA, pp. 76–84. doi:10.1145/2160673.2160684
- Hernandez, M., Hong, L., Frias-Martinez, V., Frias-Martinez, E., 2017. Estimating poverty using cell phone data : evidence from Guatemala (Policy Research Working Paper Series No. 7969). The World Bank.
- Jahani, E., Sundsøy, P., Bjelland, J., Bengtsson, L., Pentland, A. “Sandy”, Montjoye, Y.-A. de, 2017. Improving official statistics in emerging markets using machine learning and mobile phone data. EPJ Data Sci. 6, 3. https://doi.org/10.1140/epjds/s13688-017-0099-3
- Liang, L., Shrestha, R., Ghosh, S., Webb, P., 2020. Using mobile phone data helps estimate community-level food insecurity: Findings from a multi-year panel study in Nepal. PLOS ONE 15, e0241791. https://doi.org/10.1371/journal.pone.0241791
- Njuguna, C., McSharry, P., 2017. Constructing spatiotemporal poverty indices from big data. Journal of Business Research 70, 318–327. doi:10.1016/j.jbusres.2016.08.005
- Schmid, T., Bruckschen, F., Salvati, N., Zbiranski, T., 2017. Constructing sociodemographic indicators for national statistical institutes by using mobile phone data: estimating literacy rates in Senegal. J. R. Stat. Soc. A 180, 1163–1190. https://doi.org/10.1111/rssa.12305
- Slavchevska, V., Tyszler, M., Burra, D.D., Seymour, G., Sementsov, D., Van Lierde, A., King, B., 2021. Can call detail records provide insights into women’s empowerment? A case study from Uganda. White paper / Case Study.
- Smith-Clarke, C., Mashhadi, A., Capra, L., 2014. Poverty on the Cheap: Estimating Poverty Maps Using Aggregated Mobile Communication Networks, in: Proceedings of the SIGCHI Conference on Human Factors in Computing Systems, CHI ’14. ACM, New York, NY, USA, pp. 511–520. doi:10.1145/2556288.2557358
- Toole JL, Lin Y-R, Muehlegger E, Shoag D, Gonzalez MC, Lazer D., 2015. Tracking Employment Shocks using Mobile Phone Data. J. R. Soc. Interface. 2015;12 (107).
Mobility and anomaly detection
- Barnett, I., Khanna, T., Onnela, J.-P., 2016. Social and Spatial Clustering of People at Humanity’s Largest Gathering. PLOS ONE 11, e0156794.
- Young, W., Blumenstock, J.E., Fox, E., McCormick, T., 2014. Detecting and classifying anomalous behavior in spatiotemporal network data, in: The 20th ACM Conference on Knowledge Discovery and Mining (KDD ’14), Workshop on Data Science for Social Good. Presented at the Data Science for Social Good workshop at KDD, New York, NY.
- Wang, W., Kennedy, R., Lazer, D., Ramakrishnan, N., 2016. Growing pains for global monitoring of societal events. Science 353, 1502–1503.
- Dobra, A., Williams, N.E., Eagle, N., 2015. Spatiotemporal detection of unusual human population behavior using mobile phone data. PloS one 10, e0120449.
- Dong, X., Meyer, J., Shmueli, E., Bozkaya, B., Pentland, A., 2018. Methods for quantifying effects of social unrest using credit card transaction data. EPJ Data Sci. 7, 8.
- Gundogdu, D., Incel, O.D., Salah, A.A., Lepri, B., 2016. Countrywide arrhythmia: emergency event detection using mobile phone data. EPJ Data Sci. 5, 25.
Migration
- Deville, P. et al. (2014). Dynamic population mapping using mobile phone data. PNAS 111, 15888–15893. doi:10.1073/pnas.1408439111
- Blumenstock, J.E., 2012. Inferring Patterns of Internal Migration from Mobile Phone Call Records: Evidence from Rwanda. Information Technology for Development 18, 107–125.
- Blumenstock, J., Chi, G., and Tan, X., 2019. Migration and the Value of Social Networks. Working paper.
- Gonzalez, M.C., Hidalgo, C.A., Barabasi, A.-L., 2008. Understanding individual human mobility patterns. Nature 453, 779-782.
- Hong, L., Wu, J., Frias-Martinez, E., Villarreal, A., Frias-Martinez, V., 2019. Characterization of Internal Migrant Behavior in the Immediate Post-migration Period Using Cell Phone Traces, in: Proceedings of the Tenth International Conference on Information and Communication Technologies and Development, ICTD ’19. ACM, New York, NY, USA, pp. 4:1–4:12.
- Isaacman, S., Frias-Martinez, V., Frias-Martinez, E., 2018. Modeling Human Migration Patterns During Drought Conditions in La Guajira, Colombia, in: Proceedings of the 1st ACM SIGCAS Conference on Computing and Sustainable Societies, COMPASS ’18. ACM, New York, NY, USA, pp. 31:1–31:9.
- Kriendler, G., Miyauchi, Y., 2019. Measuring Commuting and Economic Activity Inside Cities with Cell Phone Records. Working Paper.
- Lenormand, M. et al. (2014). Cross-Checking Different Sources of Mobility Information. PLOS ONE 9, e105184.
- Lu, X. et al. (2016). Unveiling hidden migration and mobility patterns in climate stressed regions: A longitudinal study of six million anonymous mobile phone users in Bangladesh. Global Environmental Change 38, 1–7.
- Palchykov, V., Mitrović, M., Jo, H.-H., Saramäki, J., Pan, R.K., 2014. Inferring human mobility using communication patterns. Scientific Reports 4, 6174.
- Ranjan, G., Zang, H., Zhang, Z.-L., Bolot, J., 2012. Are Call Detail Records Biased for Sampling Human Mobility? SIGMOBILE Mob. Comput. Commun. Rev. 16, 33–44.
- Simini, F., González, M.C., Maritan, A., Barabási, A.-L., 2012. A universal model for mobility and migration patterns. Nature 484, 96–100.
- Song, C., Qu, Z., Blumm, N., Barabasi, A.-L., 2010. Limits of Predictability in Human Mobility. Science 327, 1018–1021.
- Zhao, Z., Shaw, S.-L., Xu, Y., Lu, F., Chen, J., Yin, L., 2016. Understanding the bias of call detail records in human mobility research. International Journal of Geographical Information Science 30, 1738–1762.
- Chi, Guanghua, Lin, F., Chi, Guangqing, Blumenstock, J., 2020. A general approach to detecting migration events in digital trace data. PLOS ONE 15, e0239408.
Feb 10: Internet, social media, and other data
Assignment due: Preliminary project proposal. See guidelines here.
- Lecture: Web and social media data
- Lab: Measuring mobility using mobile phone metadata (zip file)
- Activity: Final project pitches
Required readings
- Balashankar, Ananth, Lakshminarayanan Subramanian, and Samuel P. Fraiberger. 2023. “Predicting Food Crises Using News Streams.” Science Advances 9 (9): eabm3449. https://doi.org/10.1126/sciadv.abm3449.
- Lazer, D., Kennedy, R., King, G., Vespignani, A. (2014). The parable of Google Flu: traps in big data analysis. Science 343.
Recommended readings
- Althoff, T., Sosič, R., Hicks, J.L., King, A.C., Delp, S.L., Leskovec, J. (2017). Large-scale physical activity data reveal worldwide activity inequality. Nature 547.
- Breen, Casey F., Masoomali Fatehkia, Jiani Yan, et al. 2025. “Mapping Subnational Gender Gaps in Internet and Mobile Adoption Using Social Media Data.” Proceedings of the National Academy of Sciences 122 (42): e2416624122. https://doi.org/10.1073/pnas.2416624122.
- Fatehkia, M., Tingzon, I., Orden, A., Sy, S., Sekara, V., Garcia-Herranz, M., Weber, I., 2020. Mapping socioeconomic indicators using social media advertising data. EPJ Data Sci. 9, 1–15.
Optional readings
Measuring and mapping wealth and poverty with internet (and related) data
- Lampos, V., Aletras, N., Geyti, J.K., Zou, B., Cox, I.J., 2016. Inferring the Socioeconomic Status of Social Media Users Based on Behaviour and Language, in: Advances in Information Retrieval. Presented at the European Conference on Information Retrieval, Springer, Cham, pp. 689–695. See also associated blog post.
- Chakraborty, S., Venkataraman, A., Jagabathula, S., Subramanian, L., 2016. Predicting Socio-Economic Indicators Using News Events, in: Proceedings of the 22nd ACM SIGKDD International Conference on Knowledge Discovery and Data Mining, KDD ’16. ACM, New York, NY, USA, pp. 1455–1464.
- Dong, L., Chen, S., Cheng, Y., Wu, Z., Li, C., Wu, H., 2016. Measuring Economic Activities of China with Mobile Big Data. arXiv:1607.04451
- Fatehkia, M., Kashyap, R., Weber, I., 2018. Using Facebook ad data to track the global digital gender gap. World Development 107, 189–209.
- Glaeser, E.L., Kim, H., Luca, M., 2017. Nowcasting the Local Economy: Using Yelp Data to Measure Economic Activity (Working Paper No. 24010). National Bureau of Economic Research.
- Glaeser, E.L., Kominers, S.D., Luca, M., Naik, N., 2015. Big Data and Big Cities: The Promises and Limitations of Improved Measures of Urban Life (Working Paper No. 21778). National Bureau of Economic Research.
- Norbutas, L., Corten, R., 2017. Network structure and economic prosperity in municipalities: A large-scale test of social capital theory using social media data. Social Networks.
- Sheehan, E., Meng, C., Tan, M., Uzkent, B., Jean, N., Lobell, D., Burke, M., Ermon, S., 2019. Predicting Economic Development using Geolocated Wikipedia Articles. arXiv:1905.01627.
- Chi, G., Fang, H., Chatterjee, S., and Blumenstock, J. E. (2022). Microestimates of wealth for all low-and middle-income countries. Proceedings of the National Academy of Sciences, 119(3), e2113658119.
Contagion and spreading information over web networks
- Alatas, V., Chandrasekhar, A.G., Mobius, M., Olken, B.A., Paladines, C., 2019. When Celebrities Speak: A Nationwide Twitter Experiment Promoting Vaccination In Indonesia. National Bureau of Economic Research Working Paper Series.
- Aral, S., Nicolaides, C., 2017. Exercise contagion in a global social network. Nature Communications 8, 14753.
- Blumenstock, J.E., Keleher, N., 2015. The Price is Right? Statistical Evaluation of a Crowd-sourced Market Information System in Liberia, in: Proceedings of the 2015 Annual Symposium on Computing for Development, DEV ’15. ACM, New York, NY, USA, pp. 117–125.
- Raza, A.A., Ul Haq, F., Tariq, Z., Pervaiz, M., Razaq, S., Saif, U., Rosenfeld, R., 2013. Job Opportunities Through Entertainment: Virally Spread Speech-based Services for Low-literate Users, in: Proceedings of the SIGCHI Conference on Human Factors in Computing Systems, CHI ’13. ACM, New York, NY, USA, pp. 2803–2812.
Mapping populations and mobility using web data
- Palotti, J., Adler, N., Morales-Guzman, A., Villaveces, J., Sekara, V., Garcia Herranz, M., … & Weber, I. (2020). Monitoring of the Venezuelan exodus through Facebook’s advertising platform. Plos one, 15(2), e0229175.
- Antenucci, D., Cafarella, M., Levenstein, M., Ré, C., Shapiro, M.D., 2014. Using Social Media to Measure Labor Market Flows (Working Paper No. 20010). National Bureau of Economic Research.
- Patel, N.N., Stevens, F.R., Huang, Z., Gaughan, A.E., Elyazar, I., Tatem, A.J., 2017. Improving Large Area Population Mapping Using Geotweet Densities. Trans. in GIS 21, 317–331.
- S. Spyratos, M. Vespe, F. Natale, I. Weber, E. Zagheni, M. Rango, Quantifying international human mobility patterns using Facebook Network data. PLOS ONE. 14, e0224134 (2019).
Streetview and related imagery
- Fan, Zhuangyuan, Fan Zhang, Becky P. Y. Loo, and Carlo Ratti. 2023. “Urban Visual Intelligence: Uncovering Hidden City Profiles with Street View Images.” Proceedings of the National Academy of Sciences 120 (27): e2220417120. https://doi.org/10.1073/pnas.2220417120.
Llorente, A., Garcia-Herranz, M., Cebrian, M., Moro, E., 2015. Social Media Fingerprints of Unemployment. PLOS ONE 10, e0128692. doi:10.1371/journal.pone.0128692. - Gebru, Timnit, Jonathan Krause, Yilun Wang, et al. 2017. “Using Deep Learning and Google Street View to Estimate the Demographic Makeup of Neighborhoods across the United States.” Proceedings of the National Academy of Sciences 114 (50): 13108–13. https://doi.org/10.1073/pnas.1700035114.
Other applications of web and social media data analysis
- Fan, Zhuangyuan, Fan Zhang, Becky P. Y. Loo, and Carlo Ratti. 2023. “Urban Visual Intelligence: Uncovering Hidden City Profiles with Street View Images.” Proceedings of the National Academy of Sciences 120 (27): e2220417120. https://doi.org/10.1073/pnas.2220417120.
Llorente, A., Garcia-Herranz, M., Cebrian, M., Moro, E., 2015. Social Media Fingerprints of Unemployment. PLOS ONE 10, e0128692. doi:10.1371/journal.pone.0128692. - Gebru, Timnit, Jonathan Krause, Yilun Wang, et al. 2017. “Using Deep Learning and Google Street View to Estimate the Demographic Makeup of Neighborhoods across the United States.” Proceedings of the National Academy of Sciences 114 (50): 13108–13. https://doi.org/10.1073/pnas.1700035114.
Issues with using platform data for social science research
- Bruns et al. (2023), Nature Human Behaviour: Platform-controlled social media APIs threaten open science.
- Sen et al. (2021), Public Opinion Quarterly: Total Error Framework for Digital Traces of Human Behavior on Online Platforms (TED-On)
- Giorgi, Salvatore, Veronica E. Lynn, Keshav Gupta, et al. 2022. “Correcting Sociodemographic Selection Biases for Population Prediction from Social Media.” Proceedings of the International AAAI Conference on Web and Social Media 16 (May): 228–40. https://doi.org/10.1609/icwsm.v16i1.19287.
- Cesare, Nina, Hedwig Lee, Tyler McCormick, Emma Spiro, and Emilio Zagheni. 2018. “Promises and Pitfalls of Using Digital Traces for Demographic Research.” Demography 55 (5): 1979–99. https://doi.org/10.1007/s13524-018-0715-2.
Feb 17: Privacy
- Lecture: Data privacy
- Guest lecture: Nitin Kohli
- Lab: Reconstruction of unique mobility traces from mobile phone data (zip file)
Required readings
- [Skip sections 2 and 3] Mulligan, D., Koopman, C., and Doty, N. (2016). Privacy Is an Essentially Contested Concept: A Multi-Dimensional Analytic for Mapping Privacy. Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 374(2083): 20160118.
- Abebe, R. et al. (2021). Narratives and Counternarratives on Data Sharing in Africa. In Proceedings of the 2021 ACM Conference on Fairness, Accountability, and Transparency Pp. 329–341. FAccT ’21. New York, NY, USA: Association for Computing Machinery.
Recommended readings
- Kohli, Nitin, and Joshua Blumenstock. 2024. “Enabling Humanitarian Applications with Targeted Differential Privacy.” arXiv:2408.13424. Preprint, arXiv, August 24. https://doi.org/10.48550/arXiv.2408.13424.
- Seltzer, W. (2006). The Dark Side of Numbers: Updated. In Bevölkerungsforschung und Politik in Deutschland im 20. Jahrhundert. Rainer Mackensen, ed. Pp. 119–136. Wiesbaden: VS Verlag für Sozialwissenschaften.
- Hosein, G., Nyst, C., 2013. Aiding Surveillance: An Exploration of How Development and Humanitarian Aid Initiatives are Enabling Surveillance in Developing Countries. https://doi.org/10.2139/ssrn.2326229
- Blumenstock, J. and Kohli, N. (2023). Big Data Privacy in Emerging Market Fintech and Financial Services: A Research Agenda. arXiv preprint.
- [Particularly introduction, conclusion, and chapter 7] Scott, J. (1998). Seeing like a state.
Optional Readings
- Kahn, Zoe, Carelle Meyebinesso Farida, Emily Aiken, Nitin Kohli, and Joshua E Blumenstock. 2024. “Expanding Perspectives on Data Privacy: Insights from Rural Togo.” CSCW (New York, NY, USA). https://dl.acm.org/doi/10.1145/3710968
- de Montjoye, Y., Hidalgo, C., Verleysen, M., and Blondel, V. (2013). Unique in the Crowd: The privacy bounds of human mobility. Scientific Reports.
- Ahmed, S. I., Haque, R., Chen, J., and Dell, N. (2017). Digital Privacy Challenges with Shared Mobile Phone Use in Bangladesh. Proceedings of the ACM on Human-Computer Interaction 1(CSCW): 1–20.
- Kohli, Nitin, Emily Aiken, and Joshua E. Blumenstock. 2024. “Privacy Guarantees for Personal Mobility Data in Humanitarian Response.” Scientific Reports 14 (1): 28565. https://doi.org/10.1038/s41598-024-79561-2.
- Gebru, T. et al. (2021). Datasheets for datasets. Commun. ACM 64, 12 (December 2021), 86–92.Seltzer, W. (2006). The Dark Side of Numbers: Updated. In Bevölkerungsforschung und Politik in Deutschland im 20. Jahrhundert. Rainer Mackensen, ed. Pp. 119–136. Wiesbaden: VS Verlag für Sozialwissenschaften.
Feb 24: Ethics
Assignment due: Final Project Proposal. See guidelines here.
- Lecture: Ethics, access, capacity, engaging stakeholders and the public
- Lab: Satellite imagery, remote sensing, QGIS tutorial by Satej Soman.
Required readings
- Birhane, A. et al. (2022). Power to the People? Opportunities and Challenges for Participatory AI. In Proceedings of the 2nd ACM Conference on Equity and Access in Algorithms, Mechanisms, and Optimization (EAAMO ’22).
- Dearden, A. and Kleine, D.J. (2018) Minimum ethical standards for ICTD/ICT4D research: A co-produced document. Proceedings of the 10th International Conference on Information and Communication Technologies for Development.
Recommended readings
- Belmont Report
- Blumenstock, J. (2018). Don’t forget people in the use of big data for development. Nature, 561(7722), 170–172.
- Watch: Democratizing AI: Principles for meaningful public participation.
- Human rights for development
- Sambasivan, N. et al. (2021). Re-imagining Algorithmic Fairness in India and Beyond. In Proceedings of the 2021 ACM Conference on Fairness, Accountability, and Transparency (FAccT ’21). Association for Computing Machinery, New York, NY, USA, 315–328.
- Green, B. (2019). ‘Good’ Isn’t good enough. NeurIPS workshop on AI for social good.
- Elsayed-Ali, S. (2019). In Response to “Good” Isn’t Enough.
- Png, M. (2022). At the Tensions of South and North: Critical Roles of Global South Stakeholders in AI Governance. In Proceedings of the 2022 ACM Conference on Fairness, Accountability, and Transparency (FAccT ’22).
Optional readings
- CARE Principles
- FAIR Principles
- Heeks, Richard, and Jaco Renken. 2018. “Data Justice for Development: What Would It Mean?” Information Development 34 (1): 90–102. https://doi.org/10.1177/0266666916678282.
- Taylor, Linnet. 2017. “What Is Data Justice? The Case for Connecting Digital Rights and Freedoms Globally.” Big Data & Society 4 (2): 2053951717736335. https://doi.org/10.1177/2053951717736335.
- Birhane, A. (2020). Algorithmic Colonization of Africa. SCRIPT-Ed 17(2): 389–409. Dogan, A. and Wood, D. (2023). “Do you collect data to give to the university or do you do the work to benefit people?”: Indigenous Data Sovereignty in Environmental Contexts. In Proceedings of the 6th ACM SIGCAS/SIGCHI Conference on Computing and Sustainable Societies (COMPASS ’23).
- [Introduction, chapter 2, and pages 87-96 (68 pages total)] Friedman, B. and Hendry, D. (2019). Value Sensitive Design: Shaping Technology with Moral Imagination. The MIT Press.
- [Read sections 1; 2.3; Section 3.2; Section 4] Schmude, T., Koesten, L., Möller, T., and Tschiatschek, S. (2023). On the Impact of Explanations on Understanding of Algorithmic Decision-Making. In Proceedings of the 2023 ACM Conference on Fairness, Accountability, and Transparency (FAccT ’23). Association for Computing Machinery, New York, NY, USA, 959–970.
- Selbst, A D. and Barocas, S, (2018). The Intuitive Appeal of Explainable Machines. 87 Fordham Law Review 1085.
- Mitchell, M. et al. (2019.) Model Cards for Model Reporting. In Proceedings of the Conference on Fairness,
- Weitzberg, K. et al. (2021). Between Surveillance and Recognition: Rethinking Digital Identity in Aid. Big Data & Society 8(1).
- Vines, J. et al. (2013). Configuring Participation: On How We Involve People in Design. In Proceedings of the SIGCHI Conference on Human Factors in Computing Systems Pp. 429–438. CHI ’13. New York, NY, USA: Association for Computing Machinery.
- Gilman, M. (2023). Democratizing AI: Principles for Meaningful Public Participation. Data & Society Policy Brief.
- Cooper, F. (2010). Writing the History of Development. Journal of Modern European History 8(1). Verlag C.H.Beck: 5–23.
- Okolo, C., Dell, N., and Vashistha, A. (2022). Making AI Explainable in the Global South: A Systematic Review. In Proceedings of the 5th ACM SIGCAS/SIGCHI Conference on Computing and Sustainable Societies (COMPASS ’22).
March 3: Financial data and financial services
- Lecture: Financial data and financial services
- Lecture: Machine learning in credit scoring
Required readings
- Björkegren, D., & Grissen, D. (2020). Behavior revealed in mobile phone usage predicts credit repayment. The World Bank Economic Review, 34(3), 618-634
- James, D., Neves, D., and Torkelson, E. (2020). Social grants: Challenging reckless lending in South Africa. Black Sash Report.
Recommended readings
- Björkegren, D, Blumenstock, JE, Folajimi-Senjobi, O, Mauro, J, and Nair, S. (2025). Welfare Impacts of Digital Credit: A Randomized Evaluation in Nigeria, Economic Development and Cultural Change, 74:1, 117-140
- Björkegren, D, Blumenstock, JE, and Knight, S (2026). “Manipulation-Robust Prediction.” [pdf].
- Banerjee, A., Karlan, D., Zinman, J. (2015). Six Randomized Evaluations of Microcredit: Introduction and Further Steps. American Economic Journal: Applied Economics 7, 1–21.
- Francis, E., Blumenstock, J.E., Robinson, J. (2017). Digital Credit: A Snapshot of the Current Landscape and Open Research Questions. BREAD Working Paper No. 516.
- Totolo, E. (2018). Kenya’s Digital Credit Revolution Five Years On. CGAP.
- Suri et al. (2022). Mobile Money. Vox Dev.
- Rizzi, A., Kessler, A., and Menajovsky, J. (2021). The Stories Algorithms Tell: Bias and Financial Inclusion at the Data Margins.
Optional readings
Digital credit scoring
- Pedro, J.S., Proserpio, D., Oliver, N., 2015. MobiScore: Towards Universal Credit Scoring from Mobile Phone Data, in: Ricci, F., Bontcheva, K., Conlan, O., Lawless, S. (Eds.), User Modeling, Adaptation and Personalization, Lecture Notes in Computer Science. Springer International Publishing, pp. 195–207.
- Shema, A., 2019. Effective Credit Scoring Using Limited Mobile Phone Data, in: Proceedings of the Tenth International Conference on Information and Communication Technologies and Development, ICTD ’19. ACM, New York, NY, USA, pp. 7:1–7:11.
- Dean, M. (2018). Can big data shape financial services in East Africa? Partnership for finance in a digital Africa.
- Nordin, K., Hunter, R., Adaii, A., 2017. Branch case study: Exploring the potential of alternative data for creating new markets. Insight2Impact Case Study.
Impacts and diffusion of digital credit
- Robinson, J., Park, D. S., & Blumenstock, J. E. (2023). The impact of digital credit in developing economies: A review of recent evidence. KDI School of Pub Policy & Management Paper.
- Björkegren, D. et al. (2022). Instant loans can lift subjective well-being: A randomized evaluation of digital credit in Nigeria. arXiv preprint arXiv:2202.13540.
- Banerjee, A., Duflo, E., Glennerster, R., Kinnan, C., 2015. The miracle of microfinance? Evidence from a randomized evaluation. American Economic Journal: Applied Economics 7, 22–53.
- Banerjee, Abhijit, Arun G. Chandrasekhar, Esther Duflo, and Matthew O. Jackson. The Diffusion of Microfinance. Science 341, no. 6144 (July 26, 2013): 1236498.
- Khan, M. (2018). Delving into human consciousness: using psychometric assessments in financial services. Partership for finance in a digital Africa.
- Bharadwaj, P., Jack, W., Suri, T., 2019. Fintech and Household Resilience to Shocks: Evidence from Digital Loans in Kenya. National Bureau of Economic Research Working Paper Series.
- Gubbins, P. & Totolo, E. (2018) Digital credit in Kenya: Evidence from demand-side surveys. Nairobi, Kenya: FSD Kenya.
- Khwaja, A.I., Mian, A., 2005. Do Lenders Favor Politically Connected Firms? Rent Provision in an Emerging Financial Market. Q J Econ 120, 1371–1411.
- Meager, R., 2019. Understanding the Average Impact of Microcredit Expansions: A Bayesian Hierarchical Analysis of Seven Randomized Experiments. American Economic Journal: Applied Economics 11, 57–91.
- Paruthi, G., Frias-Martinez, E., Frias-Martinez, V., 2016. Peer-to-peer microlending platforms: Characterization of online traits, in: 2016 IEEE International Conference on Big Data (Big Data). Presented at the 2016 IEEE International Conference on Big Data (Big Data), pp. 2180–2189.
Mobile money
- Suri, T., & Jack, W. (2016). The long-run poverty and gender impacts of mobile money. Science, 354(6317), 1288-1292.
- Blumenstock, J.E., Eagle, N., Fafchamps, M., 2016. Airtime Transfers and Mobile Communications: Evidence in the Aftermath of Natural Disasters. Journal of Development Economics 120, 157–181.
- GSMA (2020). State of the Industry Report on Mobile Money.
- [Introduction only] Riley, E. (2022). “Resisting Social Pressure in the Household Using Mobile Money: Experimental Evidence on Microenterprise Investment in Uganda,” CSAE Working Paper Series 2022-04.
- Khan, M.R., Blumenstock, J.E., 2016. Predictors without Borders: Behavioral Modeling of Product Adoption in Three Developing Countries. Proceedings of the 22nd ACM SIGKDD Conference on Knowledge Discovery and Data Mining (KDD `16).
- Jack, W., & Suri, T. (2014). Risk sharing and transactions costs: Evidence from Kenya’s mobile money revolution. American Economic Review, 104(1), 183-223.
- Suri, T. (2017). Mobile Money. Annual Review of Economics 9(1), 497-520.
Debit cards and ATMs
- Bachas, P., Gertler, P., Higgins, S., Seira, E., 2018. Digital financial services go a long way: Transaction costs and financial inclusion, in: AEA Papers and Proceedings. pp. 444–48.
- Clemente, R.D., Luengo-Oroz, M., Travizano, M., Xu, S., Vaitla, B., González, M.C., 2018. Sequences of purchases in credit card data reveal lifestyles in urban populations. Nature Communications 9, 3330.
- Martinez, E.A., Rubio, M.H., Martinez, R.M., Arias, J.M., Patane, D., Zerbe, A., Kirkpatrick, R., Luengo-Oroz, M., Zerbe, A., 2016. Measuring Economic Resilience to Natural Disasters with Big Economic Transaction Data. arXiv:1609.09340 [cs].
- Carpio-Pinedo, J. et al. (2022). Towards a new urban geography of expenditure: Using bank card transactions data to analyze multi-sector spatiotemporal distributions. Cities 131.
March 10: Targeting
- Lecture: Targeting aid in low-income contexts
- Discussion: Should aid be targeted? Should “big data” inform targeting?
Required readings
- Aiken, E., Bellue, S., Karlan, D., Udry, C., and Blumenstock, J. E. (2022). Machine learning and phone data can improve targeting of humanitarian aid. Nature, 603(7903), 864-870.
- Devereux, Stephen. 2016. Is Targeting Ethical? [pdf] Global Social Policy16(2): 166–181.
Recommended readings
- Aiken, Emily, Anik Ashraf, Joshua Blumenstock, Raymond Guiteras, and Ahmed Mushfiq Mobarak. 2025. “Scalable Targeting of Social Protection: When Do Algorithms Out-Perform Surveys and Community Knowledge?” Working Paper No. 33919. Working Paper Series. National Bureau of Economic Research, June. https://doi.org/10.3386/w33919.
- Smythe, I. S., & Blumenstock, J. E. (2022). Geographic microtargeting of social assistance with high-resolution poverty maps. Proceedings of the National Academy of Sciences, 119(32), e2120025119.
- Sahoo, Roshni, Joshua Blumenstock, Paul Niehaus, Leo Selker, and Stefan Wager. 2025. “What Would It Cost to End Extreme Poverty?” Working Paper No. 34583. Working Paper Series. National Bureau of Economic Research, December. https://doi.org/10.3386/w34583.
Alatas, V., Banerjee, A., Hanna, R., Olken, B. A., & Tobias, J. (2012). Targeting the poor: evidence from a field experiment in Indonesia. American Economic Review, 102(4), 1206-1240. - Hanna, R., & Olken, B. A. (2018). Universal basic incomes versus targeted transfers: Anti-poverty programs in developing countries. Journal of Economic Perspectives, 32(4), 201-226.
- Sen, A. (1992). The political economy of targeting. Washington, DC: World Bank.
Optional readings
- Roelen, Keetie. 2020. Receiving Social Assistance in Low- and Middle-Income Countries: Negating Shame or Producing Stigma? Journal of Social Policy 49(4): 705–723.
- Automated Neglect: How The World Bank’s Push to Allocate Cash Assistance Using Algorithms Threatens Rights. June 13, 2023. Human Rights Watch.
- Noriega-Campero, A. et al. (2020). Algorithmic targeting of social policies: fairness, accuracy, and distributed governance. In Proceedings of the 2020 Conference on Fairness, Accountability, and Transparency (FAT* ’20).
- Premand, P., and Schnitzer, P. (2021). Efficiency, legitimacy, and impacts of targeting methods: Evidence from an experiment in Niger. The World Bank Economic Review, 35(4), 892-920.
- Wein, Tom, Heather Lanthorn, and Torben Fischer. 2023. First Steps toward Building Respectful Development: Three Experiments on Dignity in Aid in Kenya and the United States. World Development Perspectives 29: 100485.
- Aiken, E. and Ohlenburg, T. (2023). Novel digital data sources for social protection: Opportunities and challenges. GIZ.
- Della Guardia, Anne, Milli Lake, and Pascale Schnitzer. 2022. Selective Inclusion in Cash Transfer Programs: Unintended Consequences for Social Cohesion. World Development 157: 105922.
- Abelson, B., Varshney, K. R., & Sun, J. (2014, August). Targeting direct cash transfers to the extremely poor. In Proceedings of the 20th ACM SIGKDD international conference on Knowledge discovery and data mining (pp. 1563-1572).
- Lindert, K., Karippacheril, T. G., Caillava, I. R., & Chávez, K. N. (Eds.). (2020). Sourcebook on the foundations of social protection delivery systems. World Bank Publications.
- Mukherjee, A. N., Bermeo Rojas, L. X., Okamura, Y., Muhindo, J. V., & Bance, P. G. (2023). Digital-first Approach to Emergency Cash Transfers: STEP-KIN in the DemocraticRepublic of Congo (No. 181798). The World Bank.
March 17: Public Health and Epidemiology | Stakeholders
- Lecture: Public health and epidemiology
- Lab: Stakeholder mapping
Required readings
- Wesolowski, A. et al. (2012). Quantifying the impact of human mobility on malaria. Science, 338(6104), 267-270.
- Maxmen, A. (2019). Can tracking people through phone-call data improve lives? Nature 569, 614.
- US scientists “spied” on phone users. Kenya Daily Nation (2013).
Recommended readings
- Milusheva, S. (2020). Managing the spread of disease with mobile phone data. Journal of Development Economics 147.
- [Introduction, chapter 2, and pages 87-96 (68 pages total)] Friedman, B. and Hendry, D. (2019). Value Sensitive Design: Shaping Technology with Moral Imagination. The MIT Press. (on bCourses)
- Grantz, Kyra H., Hannah R. Meredith, Derek A. T. Cummings, et al. 2020. “The Use of Mobile Phone Data to Inform Analysis of COVID-19 Pandemic Epidemiology.” Nature Communications 11 (1): 4961. https://doi.org/10.1038/s41467-020-18190-5.
Optional readings
Public health: Modeling disease spread with mobility inferred from web and phone data
- Ginsberg, J., Mohebbi, M.H., Patel, R.S., Brammer, L., Smolinski, M.S., Brilliant, L., 2009. Detecting influenza epidemics using search engine query data. Nature 457, 1012–1014. doi:10.1038/nature07634
- Choi, H., Varian, H., 2012. Predicting the Present with Google Trends. Economic Record 88, 2–9. doi:10.1111/j.1475-4932.2012.00809.x
- Olson, D.R., Konty, K.J., Paladini, M., Viboud, C., Simonsen, L., 2013. Reassessing Google Flu Trends Data for Detection of Seasonal and Pandemic Influenza: A Comparative Epidemiological Study at Three Geographic Scales. PLOS Computational Biology 9, e1003256. doi:10.1371/journal.pcbi.1003256
- Milusheva, S., 2020. Using Mobile Phone Data to Reduce Spread of Disease Working Paper
- Oliver, N., Lepri, B., Sterly, H., Lambiotte, R., Delataille, S., Nadai, M.D., Letouzé, E., Salah, A.A., Benjamins, R., Cattuto, C., Colizza, V., Cordes, N. de, Fraiberger, S.P., Koebe, T., Lehmann, S., Murillo, J., Pentland, A., Pham, P.N., Pivetta, F., Saramäki, J., Scarpino, S.V., Tizzoni, M., Verhulst, S., Vinck, P., 2020. Mobile phone data for informing public health actions across the COVID-19 pandemic life cycle. Science Advances
- Wesolowski, A., Metcalf, C.J.E., Eagle, N., Kombich, J., Grenfell, B.T., Bjørnstad, O.N., Lessler, J., Tatem, A.J., Buckee, C.O., 2015. Quantifying seasonal population fluxes driving rubella transmission dynamics using mobile phone data. PNAS 112, 11114–11119. doi:10.1073/pnas.1423542112
- Balcan, D., Colizza, V., Gonçalves, B., Hu, H., Ramasco, J.J., Vespignani, A., 2009. Multiscale mobility networks and the spatial spreading of infectious diseases. PNAS 106, 21484–21489. doi:10.1073/pnas.0906910106
- Finger, F., Genolet, T., Mari, L., Magny, G.C. de, Manga, N.M., Rinaldo, A., Bertuzzo, E., 2016. Mobile phone data highlights the role of mass gatherings in the spreading of cholera outbreaks. PNAS 113, 6421–6426. doi:10.1073/pnas.1522305113
- Salathé, Marcel, Maria Kazandjieva, Jung Woo Lee, Philip Levis, Marcus W. Feldman, and James H. Jones. A High-Resolution Human Contact Network for Infectious Disease Transmission. Proceedings of the National Academy of Sciences 107, no. 51 (December 21, 2010): 22020–25. doi:10.1073/pnas.1009094108.
- Signorini, A., Segre, A.M., Polgreen, P.M., 2011. The Use of Twitter to Track Levels of Disease Activity and Public Concern in the U.S. during the Influenza A H1N1 Pandemic. PLOS ONE 6, e19467. https://doi.org/10.1371/journal.pone.0019467
- Tatem, A.J., Huang, Z., Narib, C., Kumar, U., Kandula, D., Pindolia, D.K., Smith, D.L., Cohen, J.M., Graupe, B., Uusiku, P., Lourenço, C., 2014. Integrating rapid risk mapping and mobile phone call record data for strategic malaria elimination planning. Malaria Journal 13, 52. doi:10.1186/1475-2875-13-52
- Wesolowski, A., Eagle, N., Tatem, A.J., Smith, D.L., Noor, A.M., Snow, R.W., Buckee, C.O., 2012. Quantifying the Impact of Human Mobility on Malaria. Science 338, 267–270. doi:10.1126/science.1223467
- Wesolowski, A., Qureshi, T., Boni, M.F., Sundsøy, P.R., Johansson, M.A., Rasheed, S.B., Engø-Monsen, K., Buckee, C.O., 2015. Impact of human mobility on the emergence of dengue epidemics in Pakistan. PNAS 112, 11887–11892. doi:10.1073/pnas.1504964112
- Wesolowski, A., Erbach-Schoenberg, E. zu, Tatem, A.J., Lourenço, C., Viboud, C., Charu, V., Eagle, N., Engø-Monsen, K., Qureshi, T., Buckee, C.O., Metcalf, C.J.E., 2017. Multinational patterns of seasonal asymmetry in human movement influence infectious disease dynamics. Nature Communications 8, 2069.
Public health: Social distancing and movement restrictions
- Jeffrey, B., Walters, C.E., Ainslie, K.E., Eales, O., Ciavarella, C., Bhatia, S., Hayes, S., Baguelin, M., Boonyasiri, A., Brazeau, N.F., 2020. Anonymised and aggregated crowd level mobility data from mobile phones suggests that initial compliance with COVID-19 social distancing interventions was high and geographically consistent across the UK. Wellcome Open Research 5.
- Kraemer, M.U., Yang, C.-H., Gutierrez, B., Wu, C.-H., Klein, B., Pigott, D.M., Du Plessis, L., Faria, N.R., Li, R., Hanage, W.P., 2020. The effect of human mobility and control measures on the COVID-19 epidemic in China. Science 368, 493–497.
- Nouvellet, P., Bhatia, S., Cori, A., Ainslie, K.E., Baguelin, M., Bhatt, S., Boonyasiri, A., Brazeau, N.F., Cattarino, L., Cooper, L.V., 2021. Reduction in mobility and COVID-19 transmission. Nature communications 12, 1–9.
- Warren, M.S., Skillman, S.W., 2020. Mobility changes in response to COVID-19. arXiv preprint arXiv:2003.14228.
- Wellenius, G.A., Vispute, S., Espinosa, V., Fabrikant, A., Tsai, T.C., Hennessy, J., Williams, B., Gadepalli, K., Boulange, A., Pearce, A., 2020. Impacts of state-level policies on social distancing in the United States using aggregated mobility data during the COVID-19 pandemic. arXiv preprint arXiv:2004.10172.
- Peak, C.M., Wesolowski, A., zu Erbach-Schoenberg, E., Tatem, A.J., Wetter, E., Lu, X., Power, D., Weidman-Grunewald, E., Ramos, S., Moritz, S., Buckee, C.O., Bengtsson, L. Population mobility reductions associated with travel restrictions during the Ebola epidemic in Sierra Leone: use of mobile phone data. Int J Epidemiol.
Public health: Other applications and data sources
- Bharti, N., Tatem, A.J., Ferrari, M.J., Grais, R.F., Djibo, A., Grenfell, B.T., 2011. Explaining Seasonal Fluctuations of Measles in Niger Using Nighttime Lights Imagery. Science 334, 1424–1427.
- Ford, T.E., Colwell, R.R., Rose, J.B., Morse, S.S., Rogers, D.J., Yates, T.L., 2009. Using Satellite Images of Environmental Changes to Predict Infectious Disease Outbreaks. Emerg Infect Dis 15, 1341–1346.
- Generous, N., Fairchild, G., Deshpande, A., Del Valle, S.Y., Priedhorsky, R., 2014. Global Disease Monitoring and Forecasting with Wikipedia. PLoS Comput Biol 10, e1003892. doi:10.1371/journal.pcbi.1003892
- De Choudhury, M., Gamon, M., Counts, S., Horvitz, E., 2013. Predicting Depression via Social Media, in: ICWSM. p. 2.
- Lampos, V., Yom-Tov, E., Pebody, R., Cox, I.J., 2015. Assessing the impact of a health intervention via user-generated Internet content. Data Min Knowl Disc 29, 1434–1457.
- Abebe, R., Hill, S., Vaughan, J.W., Small, P.M., Schwartz, H.A., 2018. Using Search Queries to Understand Health Information Needs in Africa. arXiv:1806.05740
- Heft-Neal, S., Burney, J., Bendavid, E., Voss, K.K., Burke, M., 2020. Dust pollution from the Sahara and African infant mortality. Nature Sustainability 3, 863–871.
Public health: Data access and policy
- Schlosser, Frank, Vedran Sekara, Dirk Brockmann, and Manuel Garcia-Herranz. 2021. Biases in Human Mobility Data Impact Epidemic Modeling. December 23. https://arxiv.org/abs/2112.12521v1.
- Wesolowski, Amy, Gillian Stresman, Nathan Eagle, et al. 2014. “Quantifying Travel Behavior for Infectious Disease Research: A Comparison of Data from Surveys and Mobile Phones.” Scientific Reports 4 (July): 5678. https://doi.org/10.1038/srep05678.
- Buckee, C. et al. (2020). Aggregated mobility data could help fight COVID-19. Science 368, 145–146.
- Wesolowski, A., Buckee, C.O., Engø-Monsen, K., Metcalf, C.J.E. (2016). Connecting Mobility to Infectious Diseases: The Promise and Limits of Mobile Phone Data. J Infect Dis. 214, S414–S420.
- [Read sections 1, 2, 3, 5, and 6] Amugongo, L., Bidwell, N., and Corrigan, C. (2023). Invigorating Ubuntu ethics in AI for healthcare: enabling equitable care. In Proceedings of the 2023 ACM Conference on Fairness, Accountability, and Transparency (FAccT).
March 31: Disasters, Displacement, and Conflict
Assignment due April 1: Final project midterm report. See guidelines here.
- Lecture: Disasters, Displacement, and Conflict
- Lab: Final project working session
Required readings
- Mueller, Hannes, Andre Groeger, Jonathan Hersh, Andrea Matranga, and Joan Serrat. 2021. “Monitoring War Destruction from Space Using Machine Learning.” Proceedings of the National Academy of Sciences 118 (23): e2025400118. https://doi.org/10.1073/pnas.2025400118.
- Bagrow, J.P., Wang, D., and Barabási, A.-L. (2012). Collective Response of Human Populations to Large-Scale Emergencies. PLoS ONE 6, e17680.
Recommended papers
- Lu, Xin, Linus Bengtsson, and Petter Holme. Predictability of Population Displacement after the 2010 Haiti Earthquake. Proceedings of the National Academy of Sciences 109, no. 29 (July 17, 2012): 11576–81.
- Tai, Xiao Hui, Mehra, Shikhar, and Blumenstock, Joshua E. (2021). Mobile phone data reveal the effects of violence on internal displacement in Afghanistan. Nature Human Behavior 6, 624-634.
- Tai, Xiao Hui, Suraj R. Nair, Shikhar Mehra, and Joshua E. Blumenstock. 2025. “Satellite and Mobile Phone Data Reveal How Violence Affects Seasonal Migration in Afghanistan.” arXiv:2507.00279. Preprint, arXiv, June 30. https://doi.org/10.48550/arXiv.2507.00279.
- Dietrich, Olivier, Torben Peters, Vivien Sainte Fare Garnot, et al. 2025. “An Open-Source Tool for Mapping War Destruction at Scale in Ukraine Using Sentinel-1 Time Series.” Communications Earth & Environment 6 (1): 215. https://doi.org/10.1038/s43247-025-02183-7.
Recommended review articles
- Yabe, Takahiro, Nicholas K. W. Jones, P. Suresh C. Rao, Marta C. Gonzalez, and Satish V. Ukkusuri. 2022. “Mobile Phone Location Data for Disasters: A Review from Natural Hazards and Epidemics.” Computers, Environment and Urban Systems 94 (June): 101777. https://doi.org/10.1016/j.compenvurbsys.2022.101777.
- Sticher, Valerie, Jan D. Wegner, and Birke Pfeifle. 2023. “Toward the Remote Monitoring of Armed Conflicts.” PNAS Nexus 2 (6): pgad181. https://doi.org/10.1093/pnasnexus/pgad181.
- Smallwood, T. R., Lefebvre, V., & Bengtsson, L. (2022). Mobile phone usage data for disaster response. Communications of the ACM, 65(4), 40-41.
Optional readings
- Mueller, Hannes, Christopher Rauh, and Ben Seimon. 2024. “Introducing a Global Dataset on Conflict Forecasts and News Topics.” Data & Policy 6 (January): e17. https://doi.org/10.1017/dap.2024.10.
- Bazzi, Samuel, Robert A. Blair, Christopher Blattman, Oeindrila Dube, Matthew Gudgeon, and Richard Peck. 2022. “The Promise and Pitfalls of Conflict Prediction: Evidence from Colombia and Indonesia.” The Review of Economics and Statistics 104 (4): 764–79. https://doi.org/10.1162/rest_a_01016.
- Mueller, Hannes, and Christopher Rauh. 2018. “Reading Between the Lines: Prediction of Political Violence Using Newspaper Text.” American Political Science Review 112 (2): 358–75. https://doi.org/10.1017/S0003055417000570.
- Herskowitz, Sylvan, Joshua E. Blumenstock, Tarek Ghani, Ethan B. Kapstein, Thomas L. Scherer, and Ott Toomet. 2026. “Insecurity and Firm Displacement: Evidence from Afghan Corporate Phone Records.” American Economic Journal: Economic Policy 18 (1): 69–91. https://doi.org/10.1257/pol.20230295.
- Deininger, Klaus, Daniel Ayalew Ali, Nataliia Kussul, Andrii Shelestov, Guido Lemoine, and Hanna Yailimova. 2023. “Quantifying War-Induced Crop Losses in Ukraine in near Real Time to Strengthen Local and Global Food Security.” Food Policy 115 (February): 102418. https://doi.org/10.1016/j.foodpol.2023.102418.
- Hong, Boyeong, Bartosz J. Bonczak, Arpit Gupta, and Constantine E. Kontokosta. 2021. “Measuring Inequality in Community Resilience to Natural Disasters Using Large-Scale Mobility Data.” Nature Communications 12 (1): 1870. https://doi.org/10.1038/s41467-021-22160-w.
- Bengtsson, L., Lu, X., Thorson, A., Garfield, R., von Schreeb, J., 2011. Improved Response to Disasters and Outbreaks by Tracking Population Movements with Mobile Phone Network Data: A Post-Earthquake Geospatial Study in Haiti. PLoS Med 8, e1001083.
- Kryvasheyeu, Y., Chen, H., Obradovich, N., Moro, E., Hentenryck, P.V., Fowler, J., Cebrian, M., 2016. Rapid assessment of disaster damage using social media activity. Science Advances 2, e1500779. doi:10.1126/sciadv.1500779
- Wilson, R. et al. (2016). Rapid and Near Real-Time Assessments of Population Displacement Using Mobile Phone Data Following Disasters: The 2015 Nepal Earthquake. PLoS Curr 8.
- Simko, L., Ramulu, H., Kohno, T., and Acar, Y. (2023). The Use and Non-Use of Technology During Hurricanes. Proc. ACM Hum.-Comput. Interact. 7, CSCW2, Article 366 (October 2023).
- Kohli, N., Aiken, E., & Blumenstock, J. (2023). Privacy Guarantees for Personal Mobility Data in Humanitarian Response. arXiv preprint arXiv:2306.09471.
April 7: No class (catch-up day)
April 14: Environment and sustainability
- Lecture: Agricultural and environmental monitoring in development
- Guest lecture: Suraj Nair
- Discussion: Case study on Camera traps, conservation, and privacy
Required readings
- Burke, M., Lobell, D.B., 2017. Satellite-based assessment of yield variation and its determinants in smallholder African systems. Proceedings of the National Academy of Sciences 201616919.
- Norouzzadeh, M. et al. (2018). Automatically identifying, counting, and describing wild animals in camera-trap images with deep learning. Proceedings of the National Academy of Sciences, 115(25).
- Niranjan, M. (2020). Navigating the ethics of camera trapping. Snow Leopard Trust.
Recommended readings
- Vélez et al. (2023). “An evaluation of platforms for processing camera‐trap data using artificial intelligence.” Methods in Ecology and Evolution, 14(1).
- Hansen et al. (2013). “High-Resolution Global Maps of 21st-Century Forest Cover Change.” Science, 342(6160). — The foundational Global Forest Watch paper. It’s old enough that you might not want it as required, but it’s useful background for the deforestation monitoring discussion.
- Snow Leopard Trust. Poachers identified thanks to camera trap.
- Sharma, K. et al. (2020). Conservation and people: Towards an ethical code of conduct for the use of camera traps in wildlife research. Ecological Solutions and Evidence 1.
- Guirado, E. et al. (2019). Whale counting in satellite and aerial images with deep learning. Nature Scientific Reports.
Optional readings
- Ma, Yuchi, Shuo Chen, Stefano Ermon, and David B. Lobell. 2024. “Transfer Learning in Environmental Remote Sensing.” Remote Sensing of Environment 301 (February): 113924. https://doi.org/10.1016/j.rse.2023.113924.
- Constenla-Villoslada, Susana, Yanyan Liu, Linden McBride, Clinton Ouma, Nelson Mutanda, and Christopher B. Barrett. 2025. “High-Frequency Monitoring Enables Machine Learning–Based Forecasting of Acute Child Malnutrition for Early Warning.” Proceedings of the National Academy of Sciences 122 (23): e2416161122. https://doi.org/10.1073/pnas.2416161122.
- Ma, Yuchi, Shuo Chen, Stefano Ermon, and David B. Lobell. 2024. “Transfer Learning in Environmental Remote Sensing.” Remote Sensing of Environment 301 (February): 113924. https://doi.org/10.1016/j.rse.2023.113924.
- Soler, J.L., Friedel, T., Wang, S., 2024. Combining Deep Learning and Street View Imagery to Map Smallholder Crop Types. Proceedings of the AAAI Conference on Artificial Intelligence 38, 22202–22212. https://doi.org/10.1609/aaai.v38i20.30225
- Nolte, C. (2020). High-resolution land value maps reveal underestimation of conservation costs in the United States. Proceedings of the National Academy of Sciences 117, 29577–29583.
- Shah, Nair, Boehnel, and Blumenstock (2023). Sand Mining Watch: Leveraging Earth Observation Foundation Models to Inform Sustainable Development. Neurips Workshop on Tackling Climate Change with Machine Learning.
- Kozińska, P, and J Górniak-Zimroz. 2021. “A Review of Methods in the Field of Detecting Illegal Open-Pit Mining Activities.” IOP Conference Series: Earth and Environmental Science 942 (1): 012027. https://doi.org/10.1088/1755-1315/942/1/012027.
- Fang, F., Stone, P., and Tambe, M. (2015). When Security Games Go Green: Designing Defender Strategies to Prevent Poaching and Illegal Fishing. In IJCAI (pp. 2589-2595).
- Tuia, D. et al. (2022). Perspectives in machine learning for wildlife conservation. Nature communications, 13(1), 792.
- Kerner, H. et al. (2020). Resilient In-Season Crop Type Classification in Multispectral Satellite Observations using Growth Stage Normalization. arXiv preprint.
- Axbard, Sebastian. 2016. “Income Opportunities and Sea Piracy in Indonesia: Evidence from Satellite Data.” American Economic Journal: Applied Economics 8 (2): 154–94. https://doi.org/10.1257/app.20140404.
- Xu, L. et al. (2020). Stay Ahead of Poachers: Illegal Wildlife Poaching Prediction and Patrol Planning Under Uncertainty with Field Test Evaluations. IEEE International Conference on Data Engineering.
- Guo, R. et al. (2020). Enhancing Poaching Predictions for Under-Resourced Wildlife Conservation Parks Using Remote Sensing Imagery. ML4D.
- Bondi, E. et al. (2018). SPOT Poachers in Action: Augmenting Conservation Drones with Automatic Detection in Near Real Time. Proceedings of the 30th Annual Conference on Innovative Applications of Artificial Intelligence (Emerging Applications Track).
- Guirado, E. et al. (2019). Whale counting in satellite and aerial images with deep learning. Nature Scientific Reports.
April 21: Generative AI
- Lecture: Generative AI applications in LMICS
- Discussion: Is Dario Amodei right?
- Discussion: Risks of AI homogenization
Required readings
- Read Dario Amodei’s take on AI for development: Section 4 of Machines of Loving Grace: How AI Could Transform the World for the Better
- Costello, Thomas H., Gordon Pennycook, and David G. Rand. 2024. “Durably Reducing Conspiracy Beliefs through Dialogues with AI.” Science 385 (6714): eadq1814. https://doi.org/10.1126/science.adq1814.
- Skim: World Development Report 2026: Artificial Intelligence for Development
Recommended readings
- Review the Agency Fund’s Living Playbook on Generative AI evaluation
- Review the AI Evidence Playbook from the Jameel Poverty Action Lab
- Abaluck, Jason, Robert Pless, Nirmal Ravi, Anja Sautmann, and Aaron Schwartz. 2026. “Does LLM Assistance Improve Healthcare Delivery? An Evaluation Using On-Site Physicians and Laboratory Tests.” Working Paper No. 34660. Working Paper Series. National Bureau of Economic Research, January. https://doi.org/10.3386/w34660.
- Simone, Martín De, Federico Tiberti, Maria Barron Rodriguez, Federico Manolio, Wuraola Mosuro, and Eliot Jolomi Dikoru. 2025. “From Chalkboards to Chatbots: Evaluating the Impact of Generative AI on Learning Outcomes in Nigeria.” World Bank Policy Research Working Paper 11125.
- Agarwal, Dhruv, Mor Naaman, and Aditya Vashistha. 2025. “AI Suggestions Homogenize Writing Toward Western Styles and Diminish Cultural Nuances.” Proceedings of the 2025 CHI Conference on Human Factors in Computing Systems (New York, NY, USA), CHI ’25, April 25, 1–21. https://doi.org/10.1145/3706598.3713564.
- Zhao, Xinyan, Yuan Sun, Wenlin Liu, and Chau-Wai Wong. 2025. “Tailoring Generative AI Chatbots for Multiethnic Communities in Disaster Preparedness Communication: Extending the CASA Paradigm.” Journal of Computer-Mediated Communication 30 (1): zmae022. https://doi.org/10.1093/jcmc/zmae022.
- Qazi, Ihsan Ayyub, Ayesha Ali, Asad Ullah Khawaja, Muhammad Junaid Akhtar, Ali Zafar Sheikh, and Muhammad Hamad Alizai. 2026. “Large Language Model Diagnostic Assistance for Physicians in a Lower-Middle-Income Country: A Randomized Controlled Trial.” Nature Health 1 (2): 198–205. https://doi.org/10.1038/s44360-025-00007-8.
Optional readings
- Sourati, Zhivar, Alireza S. Ziabari, and Morteza Dehghani. 2026. “The Homogenizing Effect of Large Language Models on Human Expression and Thought.” Trends in Cognitive Sciences 0 (0). https://doi.org/10.1016/j.tics.2026.01.003.
- Doshi, Anil R., and Oliver P. Hauser. 2024. “Generative AI Enhances Individual Creativity but Reduces the Collective Diversity of Novel Content.” Science Advances 10 (28): eadn5290. https://doi.org/10.1126/sciadv.adn5290.
- Heinz, Michael V., Daniel M. Mackin, Brianna M. Trudeau, et al. 2025. “Randomized Trial of a Generative AI Chatbot for Mental Health Treatment.” NEJM AI 2 (4): AIoa2400802. https://doi.org/10.1056/AIoa2400802.
- Bean, Andrew M., Rebecca Elizabeth Payne, Guy Parsons, et al. 2026. “Reliability of LLMs as Medical Assistants for the General Public: A Randomized Preregistered Study.” Nature Medicine 32 (2): 609–15. https://doi.org/10.1038/s41591-025-04074-y.
- Ibrahim, Ali, Kalimuthu Senthilkumar, and Kazuki Saito. 2024. “Evaluating Responses by ChatGPT to Farmers’ Questions on Irrigated Lowland Rice Cultivation in Nigeria.” Scientific Reports 14 (1): 3407. https://doi.org/10.1038/s41598-024-53916-1.
- Fabregas, Raissa, Michael Kremer, Matthew Lowes, Robert On, and Giulia Zane. 2025. “Digital Information Provision and Behavior Change: Lessons from Six Experiments in East Africa.” American Economic Journal: Applied Economics 17 (1): 527–66. https://doi.org/10.1257/app.20220072.
- Abilov, Anton, Ke Zhang, Hemank Lamba, Elizabeth M. Olson, Joel R. Tetreault, and Alejandro Jaimes. 2025. “Operationalizing AI for Good: Spotlight on Deployment and Integration of AI Models in Humanitarian Work.” arXiv:2507.15823. Preprint, arXiv, July 21. https://doi.org/10.48550/arXiv.2507.15823.
- Decostanzi, Ivan, Yelena Mejova, and Kyriaki Kalimeri. 2025. “A Large-Language-Model Framework for Automated Humanitarian Situation Reporting.” arXiv:2512.19475. Preprint, arXiv, December 22. https://doi.org/10.48550/arXiv.2512.19475.
- UK Home Office. 2025. Evaluation of AI trials in the asylum decision making process.
April 28: Final project presentations
Assignment due: Final project presentations. See guidelines here.
- Student presentations: Final projects
Assignment due on May 5: Final project report. See guidelines here.