Martin Asher

Principal Consultant


Ph.D., Economics, University of Pennsylvania, 1986
M.A., Economics, University of Pennsylvania, 1979
B.A., Economics, Stanford University, 1977


Martin Asher is a Principal Consultant and expert witness at Nathan Associates. He has provided expert testimony in antitrust cases involving allegations of price fixing and market allocation, has analyzed class certification issues, and constructed damage models in a variety of cases covering a wide range of industries. Dr. Asher was the court-appointed expert in the largest gender discrimination damages case in the United States, and conducted contract research and evaluation for the U.S. Department of Agriculture and for the Commonwealth of Pennsylvania’s Department of Public Welfare. Dr. Asher has experience in a number of industries, including the following:

EPDM rubber (ethylene propylene diene monomer rubber)
Abrasive grain products
Bread products
Commercial solid waste collection and disposal
Commercial tissue products
High-end baby products
Model agencies
Polypropylene carpet
Residential doors
Sulfuric acid

Associated with the Wharton School for 20 years, Dr. Asher directed the school's undergraduate Research and Scholars Programs for many years and continues to teach economics courses in the Finance Department as an adjunct faculty member. He has also taught at Villanova, Swarthmore, and Bryn Mawr, as well as Wharton.

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Class certification, antitrust, damage analysis

Industry Experience

EPDM rubber, abrasive grain products, bread products, commercial solid waste collection and disposal, commercial tissue products, high-end baby products, model agencies, polyproplene carpet, residential doors, sulfuric acid 

Selected Publications & Presentations

“Let’s Not Make A Deal:  An Empirical Study of Decision Making in Unsuccessful Settlement Negotiations,” (with R. Kiser and B. McShane), Journal of Empirical Legal Studies, Vol. 5, No. 3 (September 2008).


“The Antitrust Implications of Minimum Advertised Pricing:  The Case of the U.S. Music Industry,” (with J. Del Roccili and J. Fuhr, Jr.), Entertainment & Sports Law Journal, Vol. 3, No. 2 (Winter 2005)


"State and County Incarceration Rates: The Direct and Indirect Effects of Race and Inequality," (with T. Arvanites).  American Journal of Economics and Sociology, Vol. 57, No. 2 (April 1998), pp. 207-221.


"The Effect of Changing Union Density on Earnings Inequality in the Public and Private Sectors," (with R. DeFina).   Journal of Labor Research, Vol. 18, No. 3 (Summer 1997), pp. 425-37.


American Economic Association
American Law and Economics Association

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