Ashley Langer is an expert in industrial organization, econometrics, and energy and environmental economics. Professor Langer applies sophisticated empirical methods to study regulation, antitrust and competition, and firm and consumer behavior. She has analyzed a range of economic issues, including those involving technology platforms, transportation, and energy markets, and has evaluated allegations of monopolization, foreclosure, and damages in a variety of contexts.
Professor Langer has been retained as an expert witness in prominent antitrust litigations, has authored expert reports, and has testified in multiple depositions. In American President Lines v. Matson, in which the court found for Matson on summary judgment, Professor Langer assessed allegations of anticompetitive behavior, including bundling and tying, and rebutted the opposing expert’s analyses.
Professor Langer has testified in consequential class certification and economic damages matters , such as Guzman et al. v. Polaris Inc. et al. and Garcia et al. v. Volkswagen Group of America Inc. et al.
In her research, Professor Langer has analyzed firm and consumer decisions, including those related to the automotive, electricity, and oil industries. Her work has also focused on energy and environmental policy design issues. For example, she has analyzed international oil markets and the factors that influence pricing, as well as how Clean Air Act regulatory enforcement affects pollution levels and firms’ investment decisions and how firms choose to price vehicles.
Further, Professor Langer has studied the impact of energy policy on durable goods such as automobiles and residential solar. She has examined how households respond to solar subsidies that change over time, how uncertainty surrounding policy enforcement affects coal power plants’ retirement and upgrade decisions, and how taxing vehicle mileage (rather than fuel consumption) changes Highway Trust Fund revenues.
Professor Langer has published articles in leading academic journals, including the American Economic Review, the Journal of Political Economy, and the Review of Economics and Statistics. She is a research associate in the Industrial Organization and Environmental and Energy Economics Programs at the National Bureau of Economic Research (NBER).
Lexology Index (formerly Who’s Who Legal) has named Professor Langer a Future Leader among global competition experts and has also recommended her as a leading competition economist and consulting expert.
At the University of Arizona, Professor Langer teaches courses in business strategy, empirical research methods, environmental economics, energy and environmental policy, and government regulation. She has been honored with several teaching and advising awards. In addition, Professor Langer regularly presents her research at professional conferences and universities in the United States and internationally.
Previously, Professor Langer taught at the Ford School of Public Policy at the University of Michigan. She was a visiting scholar at Columbia Business School and the Energy Policy Institute of Chicago, University of Chicago.
Six Cornerstone Research Experts Receive 2026 Lexology Client Choice Recognition
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