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.

Working Papers

"Testing Firm Conduct"

with Marco Duarte, Lorenzo Magnolfi, and Mikkel SølvstenConditionally accepted, Quantitative Economics

"Scalable Demand and Markups"

with Enghin Atalay, Erika Frost, Alan Sorensen, and Wanjia ZhuRevise and resubmit, Journal of Political Economy

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

Revise and resubmit, RAND Journal of EconomicsFeatured by NPR's Planet Money podcast in the episode "The Ice Cream Conspiracy

"Falsifying Models of Firm Conduct"

with Lorenzo Magnolfi, Dan Quint, and Sarah Waldfogel

SELECTED Work in Progress

Testing Conduct with Tax Rates

with Adam Dearing and Lorenzo Magnolfi

Measuring Competition with a Flexible Supply Model

with Ying Fan and Carolina Santos

Collusion in Two-Sided Platform Markets

with John Higgins, Lorenzo Magnolfi, and Dan Quint

Courses Taught

Econ 100: Economics for Non-Majors (Fall 2017, 2018, 2019, 2020, 2021, 2023)

Econ 690: Machine Learning - MA level (Fall 2018, 2019, 2020, 2021)

Econ 762: Empirical IO - PhD level (Spring 2018, 2019, 2020, 2021, 2022, Fall 2023)

Contact Information

6458 Social Sciences Building

1180 Observatory Drive

Madison, WI 53706-1393

Email: cjsullivan@wisc.edu