Zach Y. Brown
Assistant Professor of Economics, University of Michigan

Research

• Why Do Index Funds Have Market Power? Quantifying Frictions in the Index Fund Market

with Mark Egan, Jihye Jeon, Chuqing Jin, & Alex Wu

• Information and Disparities in Health Care Quality: Evidence from GP Choice in England

with Chris Hansman, Jordan Keener, & Andre Veiga
Reject & resubmit, American Economic Review
Media: VoxEU

• Broadband Internet Access and Health Outcomes: Patient and Provider Responses in Medicare

with Jessica Van Parys
Accepted, International Journal of Industrial Organization

• Collusion and Coercion with Naive Rivals

with Alexander MacKay

• Market Structure and Extortion: Evidence from 50,000 Extortion Payments

with Eduardo Montero, Carlos Schmidt-Padilla, & Maria Micaela Sviatschi
Accepted, Review of Economic Studies
Media: The Guardian, ProMarket, El Diario de Hoy

• An Empirical Model of Price Transparency and Markups in Health Care

Revise & resubmit, Journal of Political Economy

• Endogenous Information and Simplifying Insurance Choice

with Jihye Jeon
Econometrica, May 2024, 92(3): 881-911.

• Hospital Facility Prices Declined As A Result Of Oregon’s Hospital Payment Cap

with Roslyn Murray, Sarah Miller, Edward Norton, & Andrew Ryan
Health Affairs, March 2024, 43(3): 424-432.

• Competition in Pricing Algorithms

with Alexander MacKay
American Economic Journal: Microeconomics, May 2023, 15(2): 109-56.
Media: Brookings, NPR, Financial Times, HBS, New Statesman, Fortune

• Product Proliferation under Rational Inattention: Application to Health Insurance

with Jihye Jeon
AEA Papers and Proceedings, May 2021, 111: 554-59.

• Equilibrium Effects of Health Care Price Information

Review of Economics and Statistics, October 2019, 101(4): 699–712.
Media: The Conversation, Washington Post, Wall Street Journal

Teaching

W2019, W2020, W2021, F2022, W2023, F2023, W2024

W2019, W2020, W2021, W2023, W2024