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Stephen J. Dubner is an author and journalist who lives in New York City.
Steven D. Levitt is a Research Professor at the American Bar Foundation, and a professor of economics at the University of Chicago.
Their book Freakonomics has sold 3 million copies worldwide. This blog, begun in 2005, is meant to keep the conversation going. Recurring guest bloggers include Ian Ayres, Jessica Hagy, Daniel Hamermesh, Sudhir Venkatesh, and Justin Wolfers.