Matthew Zahn

I received my Ph.D. Economics from Johns Hopkins University.  My research focuses on industrial organization with an emphasis on healthcare topics. 


I spent the 2022–2023 academic year as a PhD student fellow in Aging and Health Economics at the NBER offices in Cambridge, Massachusetts. 


CV

matthew.zahn [at] jhu.edu

@MattVZahn

UPCOMING PRESENTATIONS

Southern Economics Association (11/2024), Congressional Budget Office IO Seminar (12/2024), Econometric Society North American Winter Meeting (01/2025)


WORKING PAPERS

Entry and Competition in Insurance Markets: Evidence from Medicare Advantage.


Who Protests, What Do They Protest, and Why? with Erica Chenoweth, Barton H. Hamilton, Hedwig Lee, Nicholas W. Papageorge, and Stephen Roll. April 2022 NBER Working Paper No. 29987.


Marginal Treatment Effects as a Random Coefficients Model, with an Application to the Labor Supply Effects of Welfare Program Participation with Robert A. Moffitt. January 2022, NBER Working Paper No. 26028.


Modeling Dynamic Disease-Behavior Feedbacks for Improved Epidemic Prediction and Response with Hongru Du, Sara Loo, Tijs Alleman, Shaun Truelove, Bryan Patenaude, Lauren Gardner, Nicholas W. Papageorge, and Alison Hill, November 2024, medRxiv.


PEER-REVIEWED PUBLICATIONS

Socio-Demographic Factors Associated with Self-Protecting Behavior during the Covid-19 Pandemic with Nicholas W. Papageorge, Michèle Belot, Eline van den Broek-Altenburg, Syngjoo Choi, Julian C. Jamison, and Egon Tripodi. 2021 Journal of Population Economics 34, 691738. [NBER Working Paper No. 27378]


OTHER PUBLICATIONS

Modeling to Inform Economy-Wide Pandemic Policy: Bringing Epidemiologists and Economists Together with Michael Darden, David Dowdy, Lauren Gardner, Barton H. Hamilton, Karen Kopecky, Melissa Marx, Nicholas W. Papageorge, Daniel Polsky, Kimberly Powers, and Elizabeth Stuart. 2022 Health Economics 31(7), 12911295. [NBER Working Paper No. 29475]


Behavior During a Pandemic with Emma Kalish and Nicholas W. Papageorge. July 2020, IZA World of Labor.


WORK IN PROGRESS

Do Hospital Mergers Make Patients Less Safe? with Michael Darden and Zenon Zabinski. 


GRANTS

Do Hospital Mergers Make Patients Less Safe? with Michael Darden and Zenon Zabinski. 


Who Protests, What Do They Protest, and Why? with Nicholas W. Papageorge

MISCELLANEOUS

REPLICATIONS

Asymmetry in the Business Cycle: Friedman's Plucking Model with Correlation Innovations, Tara M. Sinclair. Studies in Nonlinear Dynamics and Econometrics, 2010.

Consumption and Portfolio Choice Over the Life Cycle, João F. Cocco, Francisco J. Gomes, and Pascal J. Maenhout. The Review of Financial Studies, 2005.

Why are the Beveridge-Nelson and Unobserved-Components Decomposition of GDP so Different? James C. Morley, Charles R. Nelson, and Eric Zivot. The Review of Economics and Statistics, 2003.

PUBLIC SPEAKING