What has the legalization of abortion to do with the crime drop rate in the late 1990s? Nothing, you might think at first. The authors of the book Freakonomics would argue against your thought. Steven Levitt is a professor of economics at the University of Chicago. Stephen Dubner is a journalist working for ABC News and The New York Times. They met at an interview and decided to work together on several books. This book was a result of their productive cooperation.