Steven Levitt is a liberal economist and co-author of Freakonomics, a book falsely claiming legalized abortion contributed to a drop in the crime rate in the 1990s (a phenomenon accurately attributed to conservative social policies). Levitt's theory has been compared to Eugenics.[Who says?] He supports the privatization of prison labor and online gambling, opposes teachers' unions, and denies climate change.He was born May 29, 1967, attended St. Paul University and graduated from Harvard University with a B.A. in economics in 1989, and received a PhD from the Massachusetts Institute of Technology.