Production Technology

Micro Data and Macro Technology (with Ezra Oberfield)
Revise and Resubmit, Econometrica
Online Appendix
Version: August 2014
Press Mentions: Boston Review

The Micro Elasticity of Substitution and Non Neutral Technology
Revise and Resubmit, RAND Journal of Economics
Online Appendix
Version: September 2017

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

Health Care

Using Disaster Induced Closures to Evaluate Discrete Choice Models of Hospital Demand
(with Ted Rosenbaum and Nathan Wilson)
Online Appendix
Version: March 2017
Previously Circulated as: Industrial Reorganization: Learning About Patient Substitution Patterns from Natural Experiments
Revise and Resubmit, RAND Journal of Economics

How Strong is Gravity? Separating Home Bias from Transport Costs Using Hospital Choice
(with Ted Rosenbaum)
Version: March 2017
Revise and Resubmit, American Economic Journal: Microeconomics

Why Do Previous Choices Matter for Hospital Demand? Decomposing Switching Costs from Unobserved Preferences
(with Ted Rosenbaum)
Version: November 2017
Revise and Resubmit, Review of Economics and Statistics

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)
Economic Inquiry (2017), 55 (4), 1919-1944

Predictions Without Models? Using Natural Experiments to Test the Performance of Machine Learning Algorithms
(with Ted Rosenbaum and Nathan Wilson)


Consumer Protection

Whose Voice Do We Hear in the Marketplace?: Evidence from Consumer Complaining Behavior
Version: July 2017
Revise and Resubmit, Marketing Science

Which Communities Complain to Policymakers? Evidence from Consumer Sentinel
Version: November 2017

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



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