Stephen and Barbara Friedman Professor of International Political Economy


 Professor of Economics and Associate Chair    


Department of Economics


Cornell University


430 Uris Hall,


14853, Ithaca, NY, USA

 Latest News

​Editor: Journal of Economic Geography

Endogenous Social Interactions with Unobserved Networks, with M. Battaglini and E. Rainone, accepted Review of Economic Studies, supplementary appendix


Spatial interactions, with J. S. Kim, P. M. Picard, and Y. Zenou,  R&R Quantitative Economics


Information, Mobile Communication and Referral Effectswith P. Jia Barwick, Y. Liu, and Q. Wu, R&R American Economic Review


Tax Professionals and Tax-Evasion, with M. Battaglini, L. Guiso and C. Lacava, R&R Quarterly Journal of Economics

Effectiveness of Connected Legislators (2020), American Journal of Political Science, vol. 64, 4, pp.735-1049, Lead Article, with M. Battaglini and V. Leone Sciabolazza, online appendix

Who is the Key Player? A Network Analysis of Juvenile Delinquency (2020)Journal of Business & Economic Statistics, with L. F. Lee, X. Liu and Y. Zenou, profiled by The Economist: Social Networks: Centrality Planning

Multidimensional Diffusion Processes in Dynamic Online Networks (2020), Plos One, 15(2): e0228421, with D.Easley and C.Rojas


Friendship and Female Education: Evidence from a Field Experiment in Bangladeshi Primary Schools (2020), The Economic Journal, 130, 740-764, with Y. Hahn, A. Islam and Y. Zenou

Econet: An R Package for Parameter-dependent Network Centrality Measures, with M. Battaglini, V. Leone Sciabolazza and S. Peng, conditionally accepted Journal of Statistical Software



Professional Interactions and Hiring Decisions: Evidence from the Federal Judiciary (2021), revised version of NBER wp n. 26726, with M. Battaglini and J.Harris, profiled by NBER Digest


Girls, Boys, and High Achievers (2021), with Angela Cools and Raquel Fernandez, revised version of NBER wp n. wp n. 25763, profiled by MarketWatch: Girls who spend more time in class with ‘high-achieving’ boys are less likely to complete a bachelor’s degree, study says

A Graphical Lasso Approach to Estimating Network Connections: The Case of U.S. Lawmakers (2021), revised version of NBER wp n. 27557, with M. Battaglini, F. W. Crawford, and S. Peng

Parents, Neighbors, and Youth Crime, with C. Diaz, revised version of IZA wp n. 13906 (2020)

Abstentions and Social Networks in Congress (2020), NBER wp n. 27822, with M. Battaglini and V. Leone Sciabolazza


Social Groups and the Effectiveness of Protests (2020), NBER wp n. 26757, with M. Battaglini and R.B. Morton

Dynamic Social Interactions and Health Risky Behavior (2019),  NBER wp n. 26223, with T. Arduini, A. Bisin, and O. Ozgur


Hurricanes, Climate Change Policies and Electoral Accountability (2019), NBER wp. n. 25835, with Stefano Gagliarducci and Daniele M. Paserman


Altruism, Insurance, and Costly Solidarity Commitments (2019), CEPR wp n. 14148, with C. Barrett, V. Nourani, and T. Walker