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
"Differentiated-Products Cournot Attributes Higher Markups Than Bertrand-Nash"
with Lorenzo Magnolfi, Dan Quint, and Sarah Waldfogel2022, Economics Letters, 219: 110804 -- preprint"A Comparison of Testing and Estimation of Firm Conduct"
with Lorenzo Magnolfi2022, Economics Letters, 212: 110316 -- preprint"Split Apart: Differentiation, Diversion, and Coordination in the Market for Superpremium Ice Cream"
2020, AEA Papers and Proceedings 110: 573-578.Working Papers
"The Ice Cream Split: Empirically Distinguishing Price and Product Space Collusion"
Featured by NPR's Planet Money podcast in the episode "The Ice Cream Conspiracy" with Marco Duarte, Lorenzo Magnolfi, and Mikkel Sølvsten"Falsifying Models of Firm Conduct"
with Lorenzo Magnolfi, Dan Quint, and Sarah Waldfogel"The Rise of Urgent Care Centers: Implications for Competition and Access to Health Care"
with Lorenzo Magnolfi, Corina Mommaerts, and Natalia SernaRevise and resubmit, Journal of Political Economy Microeconomics"Post-Merger Product Repositioning: An Empirical Analysis"
with Enghin Atalay, Alan Sorensen, and Wanjia ZhuRevise and resubmit, Journal of Industrial EconomicsSELECTED Work in Progress
Testing Conduct with Tax Rates
with Adam Dearing and Lorenzo MagnolfiLarge Scale Estimation of Demand and Markups
with Enghin Atalay, Erika Frost, Alan Sorensen, and Wanjia ZhuMeasuring Competition with a Flexible Supply Model
with Ying Fan and Carolina SantosCollusion in Two-Sided Platform Markets
with John Higgins, Lorenzo Magnolfi, and Dan QuintSoftware packages
pyRVtest: A Python package for testing firm conduct.
with Marco Duarte, Lorenzo Magnolfi, Mikkel Sølvsten, and Anya TarascinaCourses Taught
Econ 100: Economics for Non-Majors (Fall 2017, 2018, 2019, 2020, 2021)
Econ 690: Machine Learning - MA level (Fall 2018, 2019, 2020, 2021)
Econ 762: Empirical IO - PhD level (Spring 2018, 2019, 2020, 2021, 2022)
Contact Information
6458 Social Sciences Building
1180 Observatory Drive
Madison, WI 53706-1393
Email: cjsullivan@wisc.edu