Steven D. Levitt and Stephen J. Dubner: "Super Freakonomics" (William Morrow)

Steven D. Levitt and Stephen J. Dubner: "Super Freakonomics" (William Morrow)

The best-selling authors of "Freakonomics" return to challenge assumptions about how we make decisions, whether incentives work, and what's really good for the world.

The authors stayed after the show to [answer some of your...

The best-selling authors of "Freakonomics" return to challenge assumptions about how we make decisions, whether incentives work, and what's really good for the world.

The authors stayed after the show to [answer some of your questions](http://wamu.org/programs/dr/extra/superfreakonomics/index.php) that we couldn't get to on the air.

Guests

Steven Levitt

professor of economics at the University of Chicago, recipient of John Bates Clark Medal and co-author of "Freakonomics."

Stephen Dubner

former writer and editor at "The New York Times Magazine"; author of "Turbulent Souls," "Confessions of a Hero Worshiper," "The Boy with Two Belly Buttons"; and co-author of "Freakonomics."

Dr. Peter Frumhoff

a global change ecologist and the Director of Science and Policy at the Union of Concerned Scientists (UCS), and Chief Scientist of the UCS Climate Campaign. He was a lead author for the Nobel-Prize winning United Nations Intergovernmental Panel on Climate Change.

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