Psychologist Paul Bloom of Yale University talks about his book Against Empathy with EconTalk host Russ Roberts. Bloom argues that empathy--the ability to feel the emotions of others--is a bad guide to charitable giving and public policy. Bloom argues that reason combined with compassion is a better and more effective guide to making the world a better place.

George Borjas of Harvard University and author of We Wanted Workers talks with EconTalk host Russ Roberts about immigration and the challenges of measuring the impact of increased immigration on American workers and consumers. The discussion also looks at the cultural impact of immigration and what immigration in the past can tell us about immigration today.

If you were a poor person in a poor country, would you prefer steady work in a factory or to be your own boss, buying and selling in the local market? Economist Chris Blattman of the University of Chicago talks with EconTalk host Russ Roberts about experimental evidence on how poor people choose in the labor market and the consequences for their income, health, and satisfaction.

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 as religious communities and other non-profits as a way toward a better life for Americans.

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 data and evidence.

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.

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.