Michael Arnold is a professor in the Department of Economics at the University of Delaware. He has served as chair of the department since 2018. He previously served as Director of the university-wide Honors Program from 2010 – 2017 and as Associate Chair for Undergraduate Programs in the Department of Economics from 2000 – 2006. Arnold began his career as an assistant professor at the University of Delaware in 1992 after completing his Ph.D. in Economics at UCLA. His research interests include analysis of optimal selling mechanisms and analysis of competition and firm pricing strategies in online markets. Top academic journals such as the International Economic Review, Economic Inquiry, Economic Theory and the Journal of Industrial Economics have published Arnold’s work. Also, his teaching interests are in the areas of applied microeconomic theory, the economics of information and internet economics. Arnold is a founding board member (and served as chair of the board from 2014 – 2019) of Serviam Girls Academy, a tuition-free middle school for underserved girls in the Wilmington Delaware metropolitan area.
- Ph.D. in economics, University of California, Los Angeles 1992
- M.A. in economics, Virginia Polytech Institute & State University, 1987
- B.A. in economics, College of William and Mary, 1984
- “Uniform and Targeted Informative Advertising with Asymmetric Customer Loyalty,” with Eric Schmidbauer and Lan Zhang. Journal of Economics and Management and Strategy, forthcoming.
- “Competition with an Information Clearinghouse and Asymmetric Firms: Why More than Two Firms Compete (or not) for Shoppers,” with Lan Zhang, Games and Economic Behavior, July 2020, 122: 55 – 82.
- “Digital Piracy under a Graduated Response Policy,” with Eric Darmon, Sylvain Dejean and Thierry Penard, Journal of Institutional and Theoretical Economics, 2019, 175: 372 – 393.
- “The Unique Equilibrium in a Model of Sales,” with Lan Zhang, Economics Letters, September 2014, 124: 457– 460.
- “Asymmetric Market Shares, Advertising, and Pricing: Equilibrium with an Information Gatekeeper,” with Chenguang Li, Christine Saliba and Lan Zhang, Journal of Industrial Economics, March 2011, 59: 63-84.
Awards & Honors
- Alfred Lerner College of Business and Economics Outstanding Service, 2016
- Alfred Lerner College of Business and Economics Outstanding Teacher, 2011
- Economic Inquiry Best Article Award, 1995 for “Selecting a Selling Institution: Auctions versus Sequential Search,” with Steven A. Lippman.