Sam Peltzman

Sam Peltzman is the Ralph and Dorothy Keller Distinguished Service Professor Emeritus of Economics at the Booth School of Business, University of Chicago. He received his PhD in economics from the University of Chicago in 1965, and he has previously taught at the University of California, Los Angeles. He also served as senior staff economist for the President’s Council of Economic Advisers. He has been on the faculty of the University of Chicago’s School of Business since 1973.

The Durable Impact of Stigler’s Theory of Economic Regulation

George Stigler’s “The Theory of Economic Regulation” was an early application of public choice reasoning to a practical problem—the work of regulatory...

If One Monopoly Is Good for the Firm, Are Two Always Better? Aaron Director and the Tie-in Problem

When IBM patented a punch card processing machine, it had the power to influence both the market of machines and punch cards, but this is...

Standard Oil and Antitrust: the Effects of Aaron Director's Socratic Method

Aaron Director, who died 15 years ago, made important contributions to the analysis of business practices. None were ever published under his name. Professor...

George Stigler on Regulation: Lessons for Today

October 20 marks the 35th anniversary of George Stigler’s Nobel prize, the first of Booth School of Business’s grand total of eight Nobels. To...

Latest news

New Study Warns Antitrust Inaction May Lead To Acceptable Collusion for Public Policy Considerations

The modernization of EU antitrust laws muddied the water with regard to the ways that antitrust authorities and courts should handle situations...

Dark Money Dominates Spending by Special Interest Groups and Sways Elections

New research on undisclosed and unlimited political contributions, or dark money, exposes the increasing role that such funds play in U.S. elections.

The “Conspiracy” of Consumer Welfare Theory

Matt Stoller argues there was a conspiracy. It was more of an association with a singular purpose.

Researchers Find Reduced Competition After Pandemic

The chart of the week comes from a new research paper that documents the increase in small business closures during the Covid...

Voters Still Believe Politics is About the Common Good, Not Just Rent-Seeking

Do voters still believe that politics can be a source for common-good policies and not just partisan bickering and rent-seeking? With political...

How to Design Data Protection Laws That Actually Work 

More and more countries are passing data protection laws, yet empirical studies show that these laws rarely deliver on their promises. A...

Are Monopolists or Cartels the True Source of Anticompetitive US Political Power?

Trade associations are often the biggest obstacles to competitive markets, especially when those organizations use their influence to change public policy in...