I'm an applied microeconomist. My primary research focuses on structural changes in education markets, with special emphasis on Latin America.
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I'm an Assistant Professor of Economics at Columbia University. I am also a Faculty Research Fellow at NBER and a Research Affiliate at IZA. I completed my PhD at Stanford in 2022 and spent a year as a postdoctoral researcher at UC Berkeley. You can reach me at so2699 [at] columbia [dot] edu.
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I'm an applied microeconomist. My primary research focuses on structural changes in education markets, with special emphasis on Latin America.
‍
I'm an Assistant Professor of Economics at Columbia University. I am also a Faculty Research Fellow at NBER and a Research Affiliate at IZA. I completed my PhD at Stanford in 2022 and spent a year as a postdoctoral researcher at UC Berkeley. You can reach me at so2699 [at] columbia [dot] edu.

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Publications

1. Equilibrium Effects of Food Labeling Policies

with Nano Barahona and Cristóbal Otero
Econometrica, 91(3), May 2023, 839-868 🍟

[ Ungated PDF][ Online Appendix][ Slides][ Codes][ Video ][ Policy Brief ]

2. The Effects of Drinking and Driving Laws on Car Crashes, Injuries, and Deaths: Evidence from Chile

with Tomás Rau
Accident Analysis and Prevention, 106, September 2017, 262-274 🐙  

[ Ungated PDF ][ Media: El Mercurio ]

Working Papers

1. Equilibrium Price Responses to Targeted Student Financial Aid

with Nano Barahona and Cauê Dobbin
Status: May 2025 [Updated 👽]

2. The Effects of Widespread Online Education on Market Structure and Enrollment

with Nano Barahona, Joaquín Fuenzalida, and Cauê Dobbin
Status: March 2025 🤖

3. Single-Threshold Food Labeling Policies

with Nano Barahona, Cristóbal Otero, and Joshua Kim
Status: January 2025 👾

4. The STEM Major Gender Gap: Evidence from Coordinated College Application Platforms Across Five Continents

with I. Ahimbisibwe, A. Altjmed, G. Artemov, A. Barrios-Fernández, A. Bizopoulou, M. Kaila, J. Liu, R. Megalokonomou, J. Montalbán, C. Neilson, J. Sun, and X. Ye
Status: October 2024

5. Affirmative Action in Centralized College Admissions Systems

with Nano Barahona and Cauê Dobbin
Status:  September 2023
‍Winner of the Claire and Ralph Landau Prize 2022

[ Media: Agência Brasil]

6. Skin in the Game: College's Financial Incentives and Student Outcomes

with Nano Barahona, Cauê Dobbin, Hanson Ho, and Constantine Yannelis
Status: October 2023

7. The Equilibrium Effects of Public Provision in Education Markets

with Michael Dinerstein, Daniel Morales, and Christopher Neilson
Status: September 2023

Work in progress

Equalizing the Great Equalizer: The Long-run Consequences of School Funding Reforms

with Claire Montialoux and Roberto Hsu Rocha

Demand Shocks and Firm Dynamics: Evidence from Government Procurement Lotteries

with Marvin Cardoza, Michael Dinerstein, and Christopher Neilson