Professor Emeritus; Fred W. & Vi Miller Chair in Law Emeritus
M.A., Yale University
LL.B., Yale Law School;
Peter C. Carstensen is a Professor of Law Emeritus. From 1993 to 2002 he served as Associate Dean for Faculty Research and Development at the UW Law School. He is a graduate of the University of Wisconsin, and received his law degree and a master's degree in economics from Yale University. From 1968 to 1973, he was an attorney at the Antitrust Division of the United States Department of Justice assigned to the Evaluation Section, where one of his primary areas of work was on questions of relating competition policy and law to regulated industries. He has been a member of the faculty of the UW Law School since 1973. He is a Senior Fellow of the American Antitrust Institute.
His scholarship and teaching have focused on antitrust law and competition policy issues. He has published a number of articles in the field, including a number analyzing aspects of the relationship of antitrust law and regulation. He served as co-editor and primary author of four chapters of the ABA Antitrust Section's monograph, Federal Statutory Exemptions from Antitrust Law (2007) and co-edited Competition Policy and Merger Analysis in Deregulated and Newly Competitive Industries (2008), to which he contributed three chapters. He has also done extensive research on the operation and regulation of markets for agricultural commodities. In 2017, he published Competition Policy and the Control of Buyer Power, which received the Jerry S. Cohen Memorial Fund Writing Award for best antitrust book of 2017.
His other areas of teaching and scholarly interest are tort law, energy law and insurance law.
Scholarship & Publications
- Competition law and policy
Peter Carstensen presented "Breakfast, Lunch, and Dinner: A Spotlight on Antitrust in the Protein Industry" during the American Antitrust Institute's Annual Private Antitrust Enforcement Conference on Nov. 11, 2021. Watch the panel discussion.
Peter Carstensen presented "The 'Pickle in the Middle': The Competitive Issues Facing America’s Farmers," a critical overview of antitrust and agriculture laws enacted to protect farmers. The talk was part of the Law, Ethics and Animals Program speaker series at Yale Law School. Watch the presentation.
Peter Carstensen's article, "The Merger Incipiency Doctrine and the Importance of 'Redundant' Competitors" (co-authored with Robert Lande), received the Jerry S. Cohen Memorial Fund Writing Award for Best Horizontal Mergers Article of 2018. The award ceremony is part of the American Antitrust Institute's annual conference, held in Washington, D. C. in June.
Peter Carstensen collaborated with Roger McEowen, an expert in agricultural law, on "Ag Antitrust: Is There a Crack in the Wall of the 'Mighty-Mighty' (Illinois) Brick House?" Their post, which appeared in McEowen's Agriculture Law and Taxation Law blog in May, considered the implications of Apple Inc. v. Pepper to farmers and ranchers.
In 2010, the Organization for Competitive Markets presented Peter Carstensen with its John Helmuth Award, the highest award given each year by the organization for service to the organization's goals. The Organization for Competitive Markets works for greater competition in agricultural markets.
Peter Carstensen interviewed with the online journal Agri-Pulse regarding agriculture competition issues, specifically, the Departments of Justice and Agriculture Competition in Agriculture workshop series.
The American Antitrust Institute (AAI) named Peter Carstensen a Senior Fellow in 2009. The AAI's Senior Fellows, appointed to a term of two years, constitute an "inner circle" of advisers and undertake specific projects for the AAI.
News & Media
Friday, Nov 19, 2021Peter Carstensen discusses the alleged conspiracy to fix the price of chicken
Monday, Nov 1, 2021Peter Carstensen comments on chicken execs who face prison in price-fixing trial
Friday, Mar 12, 2021Peter Carstensen: "Paltry Poultry Settlements and a Paralyzed Public Interest Protection"
Thursday, Feb 4, 2021 Peter Carstensen discusses price-fixing settlements in meat industry
St. Louis Public Radio
Wednesday, Sep 30, 2020Peter Carstensen's work on antitrust and competition law in agriculture is featured
Yale Law News
Thursday, Jun 11, 2020Poultry industry execs indicted over alleged price fixing; Peter Carstensen comments
Thursday, Apr 30, 2020Merger of dairy giants could transform industry; Peter Carstensen comments
Thursday, Apr 2, 2020Milk industry merger will harm consumers and dairy farmers, says Peter Carstensen
Tuesday, Feb 11, 2020Peter Carstensen comments on derailed purchase of shaving supply company
Monday, Dec 2, 2019Better antitrust enforcement could help independent farmers, says Peter Carstensen
Wednesday, Nov 13, 2019America's biggest dairy coop may buy Dean Foods; Peter Carstensen cites concerns
The New Food Economy
Tuesday, Oct 15, 2019Peter Carstensen discusses the changing outlook for Wisconsin's ag industry
The Badger Herald
Wednesday, Sep 11, 2019Peter Carstensen: Legal pressure is ramping up for Facebook and Google as states attorneys general launch investigations
Wednesday, Sep 4, 2019U.S. chicken industry accused of conspiring to keep immigrant wages down; Peter Carstensen comments