Michael Arnold | Lerner
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University of Delaware - Alfred Lerner College of Business & Economics

Michael Arnold

Photograph Image of Michael Arnold
Title Associate Professor of Economics, Chair – Department of Economics
Email marnold@nospam60d242619202c.udel.edu
Office 416 D Purnell Hall


Michael Arnold is an associate 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

Select Publications

  • “Adverse Selection in Reverse Auctions for Environmental Services,” with Josh Duke and Kent Messer, Land Economics, 89(3):387-412.
  • “Asymmetric Capacity Constraints and Equilibrium Price Dispersion,” with Christine Saliba, Economics Letters. 111 (2011), 158–160
  • “Asymmetric Market Shares, Advertising, and Pricing: Equilibrium with an Information Gatekeeper” with Chenguang Li, Christine Saliba and Lan Zhang, Journal of Industrial Economics, 59 (2011), 63-84.
  • “Bargaining and Fixed Price Offers: How Online Intermediaries are Changing New Car Transactions,” (with Thierry Penard), Review of Network Economics, Vol. 1, # 6, pp. 134-160, 2007.
  • “The Analytics of Search with Posted Prices,” (with S. Lippman) Economic Theory, Vol. 17: 447-466, 2001.

Awards & Honors

  • Alfred Lerner College of Business and Economics Outstanding Teacher Award, 2011
  • Associate Chair for Undergraduate Programs, Department of Economics, University of Delaware, 2001-2005

Curriculum Vitae

Download Michael Arnold’s CV (PDF)