Research

Working papers

Service Quality on Online Platforms: Empirical Evidence about Driving Quality at Uber. With Susan Athey and Bharat Chandar

Revise and resubmit, Management Science.

Last updated: September 2024

Optimal Urban Transportation Policy: Evidence from Chicago. With Milena Almagro, Felipe Barbieri, Nathaniel Hickok, and Tobias Salz.

Revise and resubmit, Econometrica.

Last updated: May 2024Supplementary Material

Who Benefits from Surge Pricing?

Conditionally accepted, Econometrica.Last updated: November 2023Code and Data

Are Elasticities Greater in the Long Run? Beyond Le Chatelier's Principle.

Last updated: May 2021.

Work in progress

Reliability and Pricing in Cloud Computing. With James Brand, Chinmay Lohani, and Leon Musolff.

Sources of Market Power in Web Search: Evidence from a Field Experiment. With Hunt Allcott, Matthew Gentzkow, Leon Musolff, and Tobias Salz.


Published papers

Matching and Pricing in Ride Hailing: Wild Goose Chases and How to Solve Them. With Dan Knoepfle and Glen Weyl.

Forthcoming, Management Science.

Online Appendix | Code | SSRN

Matching and Network Effects in Ride-Hailing . With Shreya Mathur.

AEA Papers and Proceedings, 113: 244-47, May 2023.Online Appendix

Expanding Capacity for Vaccines Against Covid-19 and Future Pandemics: A Review of Economic Issues 

With Susan Athey, Esha Chaudhuri, Michael Kremer, Alexandre Simoes Gomes, and Christopher Snyder.Oxford Review of Economics and Policy, 38 (4), 742–770, Winter 2022.NBER working paper
Preparing for a Pandemic: Accelerating Vaccine AvailabilityWith Amrita Ahuja, Susan Athey, Arthur Baker, Eric Budish, Rachel Glennerster, Scott Kominers, Michael Kremer, Jean Lee, Canice Prendergast, Christopher Snyder, Alex Tabarrok, Brandon Tan, and Witold Więcek.AEA Papers and Proceedings, 111: 331-35, May 2021.NBER working paper

Market Design to Accelerate COVID-19 Vaccine Supply

(Lead author). With Amrita Ahuja, Susan Athey, Arthur Baker, Eric Budish, Tasneem Chipty, Rachel Glennerster, Scott Kominers, Michael Kremer, Greg Larson, Jean Lee, Canice Prendergast, Christopher Snyder, Alex Tabarrok, Brandon Tan, and Witold Więcek.Science, 371(6534), 1107-1109, March 2021.Supplementary Material

The Logic of Violence in Drug War. With Dorothy Kronick.

American Political Science Review, 114(3), 874-887, August 2020.Online Appendix | SSRN

Scarcity without Leviathan: The Violent Effects of Cocaine Supply Shortages in the Mexican Drug War. With Daniel Mejía and Pascual Restrepo.

The Review of Economics and Statistics, 102(2), 269-286, May 2020.Online Appendix | Code and Data | SSRN

Enhanced violation of a Leggett-Garg inequality under nonequilibium thermal conditions. With Luis Quiroga and Ferney Rodríguez

Physical Review A, 88, 022104. August 7, 2013.arXiv

Policy papers

Purchasing COVID-19 Vaccines at Risk: Costs and Benefits for Latin America and the Caribbean.

With Amrita Ahuja, Susan Athey, Arthur Baker, Owen Barder, Rachel Glennerster, Michael Kremer, Scott Kominers, Greg Larson, Jean Lee, Jonathan Levin, Jessica Pickett, Christopher Snyder, Alex Tabarrok, Brandon Tan, Duc Tran and Witold Więcek.Inter-American Development Bank. 2020.

Narcotráfico y violencia. With Daniel Mejía.

In Por una América Latina más segura: Una nueva perspectiva para prevenir y controlar el delito. Corporación Andina de Fomento. 2014.