The legendary John Bogle, founder of the Vanguard Group and creator of the index mutual fund, talks about the Great Depression, the riskiness of bond funds, how he created the Index 500 mutual fund--now the largest single mutual fund in the world--how the study of economics changed his life and ours, and Sarbanes-Oxley. At the end of the conversation, he reflects on his life and career.

Mike Munger of Duke University and EconTalk host Russ Roberts talk about specialization, the role of technology in aiding specialization and how the division of labor creates wealth.

Author Kevin Kelly talks about the role of technology in our lives, the future of the web, how to time travel, the wisdom of the hive, the economics of reputation, the convergence of the biological and the mechanical, and his impact on the movies The Matrix and Minority Report.

David Leonhardt of the New York Times talks with Russ Roberts about media bias, competition between old and new media, global warming, and the role of information as an incentive to provide better health care.

Tyler Cowen, co-blogger (with Alex Tabarrok) at MarginalRevolution.com, talks about liberty, global warming, using the courts vs. regulation to protect people, the challenges of leading a country out of poverty, the political economy of cuisine, and a quick overview of the Washington, DC. art museum scene.

Author Gregg Easterbrook talks about the ideas in his latest book, The Progress Paradox: How Life Gets Better While People Feel Worse. How has life changed in America over the last century? Is the average person getting ahead or are the rich taking all the gains? Easterbrook argues that life is better for the average American in almost every dimension. The paradox is that despite those gains, we don't seem much happier.

Viviana Zelizer, Princeton University sociologist, talks about the ideas in her new book, The Purchase of Intimacy. Does money ruin intimacy? Does intimacy ruin our commercial transactions? Zelizer and host Russ Roberts have a lively conversation on the sometimes contentious border between economics and sociology.

Richard Epstein of the University of Chicago and Stanford University's Hoover Institution talks about property rights, drug patents, the FDA, and the ideas in his latest book, Overdose: How Excessive Government Regulation Stifles Pharmaceutical Innovation from Yale University Press.

Bruce Bueno de Mesquita, Professor of Politics at NYU and Senior Fellow at Stanford University's Hoover Institution, discusses the incentives facing dictators and democratic leaders. He applies his insights to foreign aid, the Middle East, Venezuela, China's potential for evolution to a democratic system, and Cuba. He emphasizes the importance of freedom of assembly and freedom of the press for true democracy.

Bob Lucas, Nobel Laureate and professor of economics at the University of Chicago talks about wealth and poverty, what affects living standards around the world and over time, the causes of business cycles and the role of the money in our economy. Along the way, he talks about Jane Jacobs, immigration, and Milton Friedman's influence on his career.