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

How the Rise of Labor Market Power Helps Explain the Fall of US Manufacturing Employment

A new working paper explores the increase in labor market power in the US and what’s driving it. It shows manufacturing workers...

How Manufacturing’s Lobby Won and Lost its Political Influence

What happens when supporting capitalism hurts capitalists? Do business lobbies ever control the economy to the extent we think they do? The...

How Apple Locks Out the Competition with Its Digital Key

Apple’s efforts to dominate the contactless payments market and lock up the “digital key” space pose a profound threat to consumer privacy...

The Dawn of Antitrust and the Egalitarian Roots of the Sherman Act

While it isn’t particularly controversial that concentrated economic power was a legislative target of the Sherman Act, when read as a corollary...

The Varied Ideologies—and Practices—of Socialist Nations in the Developing World

In an excerpt from his new book Ripe for Revolution: Building Socialism in the Third World, Harvard Business School professor Jeremy Friedman...

How Much Can We Trust Index Funds on Climate Change?

According to a theory that is gaining support among academics and practitioners, we should expect index fund managers to undertake the role...

The Ties that Bind Workers to Firms: No-Poach Agreements, Noncompetes, and Other Ways Firms Create and Exercise Labor Market Power

Collusive no-poach agreements are per se illegal, but noncompete clauses are not. Recent research casts doubt on the rationale for this legal...