Christopher Sullivan

Assistant Professor of Economics, University of Wisconsin - Madison

I am an assistant professor in the Department of Economics at the University of Wisconsin-Madison. My research interests are in the field of industrial organization.


You can find my CV here.

Published Papers

"Split Apart: Differentiation, Diversion, and Coordination in the Market for Superpremium Ice Cream", AEA Papers and Proceedings 110: May 2020, 573-578.

Working Papers

"The Ice Cream Split: Empirically Distinguishing Price and Product Space Collusion"

“Measuring Competition with a Flexible Supply Model”, with Ying Fan (new version coming soon)

“Testing Firm Conduct”, with Marco Duarte, Lorenzo Magnolfi, and Mikkel Sølvsten

"Post-Merger Product Repositioning: An Empirical Analysis", with Enghin Atalay, Alan Sorensen, and Wanjia Zhu

SELECTED Work in Progress

Collusion in Two-Sided Platform Markets, with Daniel Quint

Large Scale Estimation of Demand and Markups, with Enghin Atalay, Erika Frost, Alan Sorensen, and Wanjia Zhu

Courses Taught

Econ 100: Economics for Non-Majors (Fall 2017, 2018, 2019, 2020)

Econ 690: Machine Learning - MA level (Fall 2018, 2019, 2020)

Econ 762: Empirical IO - PhD level (Spring 2018, 2019, 2020, 2021)

Contact Information

6458 Social Sciences Building

1180 Observatory Drive

Madison, WI 53706-1393

Email: cjsullivan@wisc.edu