Production Technology

Micro Data and Macro Technology (with Ezra Oberfield)
Econometrica (March 2021), 89 (2), 703-732
Online Appendix
Version: August 2020
Press Mentions: Boston Review

The Micro Elasticity of Substitution and Non Neutral Technology
RAND Journal of Economics (Spring 2019), 50 (1), 147-167
Online Appendix
Version: July 2018

Testing the Production Approach to Markup Estimation
Version: October 2020
Revise and Resubmit, Review of Economic Studies

What's Wrong with Capital in the 21st Century's Model?
In After Piketty: The Inequality Agenda post-Capital in the 21st Century (Harvard University Press, 2017)
Press Mentions: The Economist, Chronicle of Higher Education, Business Standard, Axios,,
Nature, New Scientist, Bloomberg, Irish Times, The Hindu, Business Day, Financial Express,
Suddeusche Zeitung, Frankfurter Allgemeine Zeitung, Diario de Noticias, Portafolio


Digital Platforms

Do Bad Businesses Get Good Reviews? Evidence from Online Review Platforms
Version: September 2020

Analyzing Advertising Labels: Testing Consumers' Recognition of Paid Content Online (with Jeff Johnson, Jim Jansen, and Manoj Hastak)
Version: April 2018
Proceedings of ACM CHI'18, Extended Abstracts of the 2018 CHI Conference on Human Factors in Computing Systems

US Patent 8,732,528 B1: Measuring Test Effects Using Adjusted Outlier Data (with Zhuo Zhang, Harry J. Paarsch, Patrick L. Bajari, Sameer R. Rajyaguru, and Ivan E. Gonzalez)
Issued May 2014


Health Care

How Do Machine Learning Algorithms Perform in Changing Environments? Evidence from Disaster Induced Hospital Closures
(with Ted Rosenbaum and Nathan Wilson)
Version: April 2021
Journal of Health Economics (forthcoming)

Using Disaster Induced Closures to Evaluate Discrete Choice Models of Hospital Demand
(with Ted Rosenbaum and Nathan Wilson)
Version: November 2020
Previously Circulated as: Industrial Reorganization: Learning About Patient Substitution Patterns from Natural Experiments
Revise and Resubmit, RAND Journal of Economics

Why is Distance Important for Hospital Choice? Separating Home Bias from Transport Costs
(with Ted Rosenbaum)
Version: February 2020
Journal of Industrial Economics (forthcoming)

Why Do Previous Choices Matter for Hospital Demand? Decomposing Switching Costs from Unobserved Preferences
(with Ted Rosenbaum)
Version: January 2018
Review of Economics and Statistics (2018), 100 (5), 906-915

Payer Steering and Patient Welfare: Evidence from Medicaid
(with Ted Rosenbaum)
Version: October 2017

A Semiparametric Discrete Choice Model: An Application to Hospital Mergers
(with Ted Rosenbaum and Steve Tenn)
Version: March 2017
Economic Inquiry (2017), 55 (4), 1919-1944


Consumer Protection

Whose Voice Do We Hear in the Marketplace?: Evidence from Consumer Complaining Behavior
Version: September 2018
Online Appendix
Marketing Science (2020), 39 (1), 168-187

Which Communities Complain to Policymakers? Evidence from Consumer Sentinel
Version: July 2019
Economic Inquiry (2020), 58 (4), 1628-1642

Who is Victimized by Fraud? Evidence from Consumer Protection Cases
Version: June 2020
Online Appendix
Journal of Consumer Policy (2021), 44, 43-72

Economics at the FTC: Fertilizer, Consumer Complaints, and Private Label Cereal (with Andrew Sweeting, David J. Balan, Nicholas Kreisle, and Matthew Panhans)
Review of Industrial Organization (2020) 57, 751–78

Economics at the FTC: Fraud, Mergers and Exclusion (with David J. Balan, Patrick DeGraba, Francine Lafontaine, Patrick McAlvanah, and David Schmidt)
Review of Industrial Organization (2015), 47 (4), 371-398