Profile Information

Profile

Matthew S. Lewis is a professor in the John E. Walker Department of Economics who specializes in industrial organization with a particular focus on energy markets and healthcare markets. His extensive research on gasoline markets has investigated issues related to gas station competition and pricing, price dynamics, consumer search, and consumers' response to price fluctuations. Other research has examined the competitive effects of consolidation in the hospital market and the relationship between airline competition and the use of price discrimination. Prof. Lewis also serves as an associate editor for the International Journal of Industrial Organization.

Research Interests

• industrial organization, energy economics, healthcare economics

Research Publications

• David P. Byrne, Nicolas de Roos, Matthew S. Lewis, Leslie M. Marx, and Xiaosong Wu
  “Price Coordination with Asymmetric Information Sharing: Theory and Evidence”
  Review of Economics and Statistics, forthcoming.

• David P. Byrne, Nicolas de Roos, Matthew S. Lewis, Leslie M. Marx, and Xiaosong Wu
  “Asymmetric Information Sharing in Oligopoly: A Natural Experiment in Retail Gasoline”
  Journal of Political Economy, 133(7), July 2025: 2031-2088.

• Haobin Fan and Matthew S. Lewis
  “Multimarket Contact and Price Discrimination”
  International Journal of Industrial Organization, December 2024, 97: 103089.

• Xiaosong Wu, Matthew S. Lewis, and Frank A. Wolak
  “Consumer Search with Learning in the Retail Gasoline Market”
  RAND Journal of Economics, Summer 2024, 55(2): 292-323.

• Laurence Levin, Matthew S. Lewis, and Frank A. Wolak
  “Reference Dependence in the Demand for Gasoline”
  Journal of Economic Behavior and Organization, May 2022, 179: 561-578.

• Matthew S. Lewis
  “Identifying Airline Price Discrimination and the Effect of Competition”
  International Journal of Industrial Organization, September 2021, 78: 102761.

• Matthew S. Lewis
  “On the Absence of Directional Price Discrimination in the U.S. Airline Industry”
  Journal of Industrial Economics, September 2020, 68(3): 556-581.

• Laurence Levin, Matthew S. Lewis, and Frank A. Wolak
  “High Frequency Evidence on the Demand for Gasoline”
  American Economic Journal: Economic Policy, August 2017, 9(3): 314-347.

• Matthew S. Lewis and Kevin E. Pflum
  “Hospital Systems and Bargaining Power: Evidence from Out-Of-Market Acquisitions”
  RAND Journal of Economics, Summer 2017, 55(2): 292-323.

• Matthew S. Lewis and Kevin E. Pflum
  “Diagnosing Hospital System Bargaining Power in Managed Care Networks”
  American Economic Journal: Economic Policy, February 2015, 7(1): 243-274.

• Matthew S. Lewis
  “Odd Prices at Retail Gasoline Stations: Focal Point Pricing and Tacit Collusion”
  Journal of Economics and Management Strategy, Fall 2015, 24(3): 664-685.

• Matthew S. Lewis
  “Price Leadership and Coordination in Retail Gasoline Markets with Price Cycles”
  International Journal of Industrial Organization, July 2012, 30(4): 342-351.

• Matthew S. Lewis and Howard P. Marvel
  “When Do Consumers Search?”
  Journal of Industrial Economics, September 2011, 59(3): 457-483.

• Matthew S. Lewis and Michael Noel
  “The Speed of Gasoline Price Response in Markets with and without Edgeworth Cycles”
  Review of Economics and Statistics, May 2011, 93(2): 672-682.

• Matthew S. Lewis
  “Asymmetric Price Adjustment and Consumer Search: An Examination of the Retail Gasoline Market”
  Journal of Economics and Management Strategy, Summer 2011, 20(2): 409-449.

• Matthew S. Lewis
  “Temporary Wholesale Gasoline Price Spikes have Long Lasting Retail Effects: The Aftermath of Hurricane Rita”
  Journal of Law and Economics, August 2011, 52(3): 581-606.

• Matthew S. Lewis
  “Price Dispersion and Competition with Differentiated Sellers”
  Journal of Industrial Economics, September 2008, 56(3): 654-678.