Mike Munger, of Duke University, talks about why firms exist. If prices and markets work so well (and they do) in steering economic resources, then why does so much economic activity take place within organizations that use command-and-control, top-down, centralized structures called firms? Within a firm, most of the goods and services that the workers use are given away rather than allocated by prices--computer services, legal services and almost everything else is not handed out by competition but by fiat, decided by a boss. A firm, the lynchpin of capitalism, is run like something akin to a centrally planned economy. Munger's answer, drawing on work of Ronald Coase, is a fascinating look at the often unseen costs of making various types of economic decisions. The result is a set of fascinating insights into why firms exist and why they do what they do.

Edward Castronova, of Indiana University and author of Exodus to the Virtual World, talks about his provocative thesis that a growing number of people around the world will be spending more and more time playing multiplayer games in virtual reality both as a form of escape and as a search for meaning. He talks with EconTalk host Russ Roberts about how this trend might affect government, religion, and our happiness.

William Duggan, professor of management at Columbia Business School at Columbia University, talks about his latest book, Strategic Intuition. Duggan critiques traditional methods of strategy and planning and suggests that the opportunism and adaptability are more productive detailed plans. He also discusses the nature of intuition and creativity along with insights into how the brain works to better understand problem-solving.

Karol Boudreaux, Senior Research Fellow at George Mason University's Mercatus Center, talks with EconTalk host Russ Roberts about her field work and research in Rwanda and South Africa. In Rwanda, she studied how a change in incentives and property rights for coffee farmers has allowed the coffee bean growers to improve quality and prosper. In South Africa's Langa Township, she looked at how renters were allowed to become homeowners and how the ability to own changed their lives.

Economics professor Peter Boettke discusses the origins of Austrian economics, focusing on marginalism, individual decision-making, subjective value, and the limitations of relying on objective facts. He contrasts the Austrian perspective with Keynesian principles, central banking strategies, and the importance of recognizing individual choices in shaping economic outcomes.

Mike Munger, frequent guest and longtime Econlib contributor, speaks with EconTalk host Russ Roberts about fair trade coffee and free trade agreements. Does the premium for fair trade coffee end up in the hands of the grower? What economic forces might stop that from happening? They discuss the business strategy of using higher wages as a marketing strategy to attract concerned consumers. They turn to the issue of free trade agreements. If the ideal situation is open borders to foreign products, is it still worthwhile to negotiate bilateral and multilateral agreements that requires delays, exemptions and a bureaucracy to enforce? What is the cost of including environmental and various labor market regulations in these agreements?

Daniel Botkin, ecologist and author, talks with EconTalk host Russ Roberts about how we think about our role as humans in the natural world, the dynamic nature of environmental reality and the implications for how we react to global warming.

Cass Sunstein of the University of Chicago talks about the ideas in his latest book, Worst-Case Scenarios. How should individuals and societies cope with low-probability events with potentially catastrophic consequences? In this conversation with EconTalk host Russ Roberts, Sunstein discusses the uselessness of the precautionary principle as a guide to behavior and the psychological challenges we all face in coping with uncertain, risky events. He also speculates why we have chosen politically to treat terrorism and global warming so differently.

In this bonus middle-of-the-week podcast, Henry Aaron of the Brookings Institution talks with EconTalk host Russ Roberts about health care costs. Researchers in a New England Journal of Medicine article have estimated that the US could save $209 billion if the US went to a single-payer system like Canada. Is this number reliable? Aaron takes a deeper look at the estimate and discusses the relevance of such estimates for health care policy. This is a special mid-week podcast. It's a follow-up to an earlier podcast with Arnold Kling that raised the issue of administrative costs and potential savings from going to a single-payer system. It also ties in with recent discussions here at EconTalk about the challenges of accurate measurement in the social sciences. We hope you enjoy it. If not, come back Monday when our regular schedule resumes.

Joel Waldfogel of the Wharton School of Business talks about the idea in his new book, The Tyranny of Markets: Why You Can't Always Get What You Want. He argues that when fixed costs are large, markets don't necessarily give people what they want and that, analogous to the political process, you can be hurt as the number of people with preferences that differ from yours gets larger. Host Russ Roberts challenges Waldfogel's claim that these phenomena are widespread and argues that in many cases, markets ultimately solve these problems. They discuss the amount of variety in newspapers, radio, and airline travel, along with how economics generally looks at fixed costs and consumer sovereignty.