Can machine learning improve the use of data and evidence for understanding economics and public policy? Susan Athey of Stanford University talks with EconTalk host Russ Roberts about how machine learning can be used in conjunction with traditional econometric techniques to measure the impact of say, the minimum wage or the effectiveness of a new drug. The last part of the conversation looks at the experimental techniques being used by firms like Google and Amazon.

Michael Munger of Duke University talks with EconTalk host Russ Roberts about how attitudes in the American South toward slavery evolved over time and what we can learn from that evolution about the role culture plays in our lives.

Yuval Levin, author and editor of National Affairs, talks with EconTalk host Russ Roberts about the ideas in his latest book, The Fractured Republic. Levin argues that both major political parties suffer from a misplaced nostalgia--a yearning for a time when things were better even though the policies that created those good times are no longer as relevant to today. Levin argues for a strengthening of the intermediate institutions--institutions between the individual and the government such...

How bad is pink slime? Are free-range chickens happier? Can robots cook? Jayson Lusk of Oklahoma State University and the author of Unnaturally Delicious talks with EconTalk host Russ Roberts about these questions and more from his new book. Lusk explores the wide-ranging application of technology to farming, cooking, protein production, and more.

Noah Smith of Stony Brook University and writer at Bloomberg View talks with EconTalk host Russ Roberts about whether economics is a science in some sense of that word. How reliable are experiments in economics? What about the statistical analysis that underlies much of the empirical work in modern economics? Additional topics include the reliability of the empirical analysis of the minimum wage, the state of macroeconomics, and the role of prejudice or prior beliefs in the interpretation of...

Can you predict the future? Or at least gauge the probability of political or economic events in the near future? Philip Tetlock of the University of Pennsylvania and author of Superforecasting talks with EconTalk host Russ Roberts about his work on assessing probabilities with teams of thoughtful amateurs. Tetlock finds that teams of amateurs trained in gathering information and thinking about it systematically outperformed experts in assigning probabilities of various events in a...

There is only one country in the world where a person can sell a kidney to another citizen who buys it. That country is Iran. Tina Rosenberg of The New York Times talks with EconTalk host Russ Roberts about the Iranian kidney market--how it works, its strengths and weaknesses, and whether its lessons apply to the United States or elsewhere.

Rachel Laudan, visiting scholar at the University of Texas and author of Cuisine and Empire, talks with EconTalk host Russ Roberts about the history of food. Topics covered include the importance of grain, the spread of various styles of cooking, why French cooking has elite status, and the reach of McDonald's. The conversation concludes with a discussion of the appeal of local food and other recent food passions.

Nobel Laureate Alvin Roth of Stanford University talks with EconTalk host Russ Roberts about his work on matching markets. Examples include marriage, matching kidney donors to kidney recipients, and students to schools in cities that allow choice in their public school systems. Roth also discusses repugnance--the unease some people have with allowing buying and selling of some goods and what it's like to watch a kidney transplant knowing your research has helped make the surgery possible.

Morten Jerven of Simon Frasier University talks with EconTalk host Russ Roberts about his new book, Africa: Why Economists Get It Wrong. Jerven, who will be joining Noragric at the Norwegian University of Life Sciences this fall, argues that economists have misread the economic history of Africa, ignoring successful episodes of economic growth while trying to explain a perpetual malaise that does not exist. Jerven is critical of many of the attempts to explain growth using econometric...

Is climate change the ultimate Black Swan? Martin Weitzman of Harvard University and co-author of Climate Shock talks with EconTalk host Russ Roberts about the risks of climate change. Weitzman argues that climate change is a fat-tailed phenomenon--there is a non-trivial risk of a catastrophe. Though Weitzman concedes that our knowledge of the climate is quite incomplete, he suggests that it is prudent to take serious measures, including possibly geo-engineering, to reduce the accumulation of...

Bent Flyvbjerg of Oxford University speaks with EconTalk host Russ Roberts about the political economy of megaprojects--massive investments of a billion dollars or more in infrastructure or technology. Flyvbjerg argues that such projects consistently end up costing more with smaller benefits than projected and almost always end up with costs that exceed the benefits. Flyvbjerg explores the reasons for the poor predictions and poor performance of giant investment projects and what might be...

Michael O'Hare of the University of California, Berkeley talks with EconTalk host Russ Roberts about the management of art museums. O'Hare suggests a number of changes that would allow museums to be more effective and to justify their non-profit status--lower admission prices, selling part of their substantial unseen inventory to other museums, and broadening the activities of the museum to include educational exhibits on the creation of art and the commercial side of art. He encourages...

Michael Munger of Duke University talks with EconTalk host Russ Roberts about his latest book (co-authored with Kevin Munger), Choosing in Groups. Munger lays out the challenges of group decision-making and the challenges of agreeing on constitutions or voting rules for group decision-making. The conversation highlights some of the challenges of majority rule and uses the Lewis and Clark expedition as an example.

Alex Tabarrok of George Mason University talks to EconTalk host Russ Roberts about a recent paper Tabarrok co-authored with Shruti Rajagopalan on Gurgaon, a city in India that until recently had little or no municipal government. The two discuss the successes and failures of this private city, the tendency to romanticize the outcomes of market and government action, and the potential for private cities to meet growing demand for urban living in India and China.

Joshua Greene, of Harvard University and author of Moral Tribes: Emotion, Reason, and the Gap Between Us and Them, talks with EconTalk host Russ Roberts about morality and the challenges we face when our morality conflicts with that of others. Topics discussed include the difference between what Greene calls automatic thinking and manual thinking, the moral dilemma known as "the trolley problem," and the difficulties of identifying and solving problems in a society that has a plurality of...

Emily Oster of the University of Chicago talks with EconTalk host Russ Roberts about why U.S. infant mortality is twice that in Finland and high relative to the rest of the world, given high income levels in the United States. The conversation explores the roles of measurement and definition along with culture to understand the causes of infant mortality in the United States and how it might be improved.

Luigi Zingales of the University of Chicago's Booth School of Business talks with EconTalk host Russ Roberts about Zingales's essay, "Preventing Economists' Capture." Zingales argues that just as regulators become swayed by the implicit incentives of dealing with industry executives, so too with economists who study business: supporting business interests can be financially and professionally rewarding. Zingales outlines the different ways that economists benefit from supporting business...

Thomas Piketty of the Paris School of Economics and author of Capital in the Twenty-First Century talks to Econtalk host Russ Roberts about the book. The conversation covers some of the key empirical findings of the book along with a discussion of their significance.

Yuval Levin, author of The Great Debate: Edmund Burke, Thomas Paine, and the Birth of Right and Left, talks to EconTalk host Russ Roberts about the ideas of Burke and Paine and their influence on the evolution of political philosophy. Levin outlines the differing approaches of the two thinkers to liberty, authority, and how reform and change should take place. Other topics discussed include Hayek's view of tradition, Cartesian rationalism, the moral high ground in politics, and how the "right...

Bryan Caplan of George Mason University and blogger at EconLog talks to EconTalk host Russ Roberts about the value of a college education. Caplan argues that the extra amount that college graduates earn relative to high school graduates is misleading as a guide for attending college--it ignores the fact that a sizable number of students don't graduate and never earn that extra money. Caplan argues that the monetary benefits of a college education have a large signaling component rather than...

Jeffrey Sachs of Columbia University and the Millennium Villages Project talks with EconTalk host about poverty in Africa and the efforts of the Millennium Villages Project to fight hunger, disease, and illiteracy. The project tries to achieve the Millennium Development Goals in a set of poor African villages using an integrated strategy fighting hunger, poverty, and disease. In this lively conversation, Sachs argues that this approach has achieved great success so far and responds to...

Moises Velasquez-Manoff, author of An Epidemic of Absence, talks with EconTalk host Russ Roberts about his book--a discussion of why allergies and autoimmune diseases have been on the rise in the developed world for the last half-century. Velasquez-Manoff explores a recent hypothesis in the epidemiological literature theorizing the increase is a response to the overly hygienic environment in rich countries and the absence of various microbes and parasites. Velasquez-Manoff also considers...

Barry Weingast, the Ward C. Krebs Family Professor of Political Science at Stanford University and a Senior Fellow at Stanford's Hoover Institution talks with EconTalk host Russ Roberts about the role of violence and the threat of violence in maintaining destructive economic policies that reduce growth and development. Weingast argues that the threat of violence encourages leaders to create monopolies and other unproductive policies to pay off special interests that would otherwise threaten a...

Michael Clemens of the Center for Global Development talks with EconTalk host Russ Roberts about the effects of aid and migration on world poverty. Clemens argues that the effects of aid are positive but small. But emigration has the potential to have a transformative effect on migrants from poor countries who emigrate to richer ones. The discussion concludes with the impact of migrants on the host country.