Industrial Organization: Theory and Practice, Fifth Edition with Elizabeth J. Jensen (Oxford, UK: Taylor & Francis, 2019)
"Status Quo Bias," in Victor J. Temblay, Elizabeth Schroeder, and Carol Horton Tremblay, eds. The Handbook of Behavioral Industrial Organization, (Cheltenham, UK/Northhampton, MA: Edward Elgar Publishing, 2018:172-193.
Industrial Organization: Theory and Practice, Fourth Edition with Elizabeth J. Jensen (Upper Saddle River, NJ: Pearson Prentice Hall, 2012)
Microeconomics, Second Edition, published as a .learn ebook (Upper Saddle River, NJ: Pearson Prentice Hall, 2009)
Industrial Organization: Theory and Practice, Greek Edition with Elizabeth J. Jensen (Upper Saddle River, NJ: Pearson Prentice Hall, 2009)
Industrial Organization: Theory and Practice, Third Edition with Elizabeth Jensen (Boston: Addison Wesley Longman, 2007)
Industrial Organization: Theory and Practice, Third Edition Chinese Edition with Elizabeth J. Jensen (Pearson/China, 2008)
with Rochelle Ruffer, "Microsoft: Who Is Microsoft Today?" in Victor J. Tremblay and Carol Horton Tremblay, eds., Industry and Firm Studies, Fourth Edition (Armonk, NY: M.E. Sharpe, 2007)
Industrial Organization: Theory and Practice with Elizabeth Jensen (Addison Wesley Longman, 1998)
Antitrust Action and Market Structure (Lexington Books, 1978)
The Economics of Antitrust: Cases and Analysis (Little Brown, 1986)
"Market Structure, Opportunity Costs and Tax Avoidance" with J. Baldani (Review of Industrial Organization, 1990)
"The Inefficiencies of 'Unsuccessful' Price Fixing Agreements" (The Antitrust Bulletin, 1988)
"Welfare and Collusion: Comment" (The American Economic Review, 1982)
articles in Antitrust Law and Economics Review, Antitrust Bulletin, Social Science Quarterly, The Review of Industrial Organization, and Nebraska Journal of Economics and Business
Professional Experience
Economic adviser to Maryland legislature 1979
Economic consultant and expert witness for Maryland Department of Justice in Spiro Agnew case 1981