Clarissa A. Yeap

Senior Economist

Clarissa A. Yeap


A.B. Dartmouth College
M.Sc. London School of Economics
Ph.D. University of Chicago

Dr. Yeap’s work at EI focuses on the economic analysis of antitrust and competition in the context of mergers, class certification and damages analysis.  In the healthcare sector, she has conducted antitrust analysis of prospective mergers between hospitals, physician services and health insurance companies, including econometric modelling and estimation using large, complex datasets.  She has also provided theoretical and quantitative analysis of alleged anticompetitive conduct in disputes between health systems and insurers, and between hospitals and physician groups.  Dr. Yeap has also worked on identifying anticompetitive harm and quantifying damages in class action and private litigation matters in a range of other industries.  She has experience in the economic analysis of collusion and price-fixing claims in both commodity-products and differentiated-products markets, including agricultural products, building materials and consumer cellular communications services.  She has also analyzed abuse of dominance and bundling claims in the technology sector.  Dr. Yeap is a contributing author of the ABA’s Proving Antitrust Damages: Legal and Economic Issues, Third Edition (2017) and Intellectual Property Misuse Handbook, Second Edition (forthcoming).  She has also published her work in the scholarly journals, Applied Economics and Economics Bulletin. Prior to joining Economists Incorporated, Dr. Yeap was a faculty member at the University of Minnesota’s Applied Economics Department, where she taught undergraduate and graduate level courses in industrial organization, econometrics, and business economics.  She was Principal Investigator on multi-year grants from the U.S. Census Bureau and U.S. Department of Agriculture to study competition in retail and services industries.  Dr. Yeap received a Ph.D. in Economics from the University of Chicago, a M.Sc. in Econometrics and Mathematical Economics from the London School of Economics, and a A.B. magna cum laude from Dartmouth College.

Recent Economist Ink Articles:

“Google Search under Antitrust Scrutiny” (Winter 2018)

“Uber Surge Pricing Antitrust Class Action Moves Ahead” (Fall 2016)

“DOJ Sues Hospitals for Allocating Marketing” (Fall 2015)