The 33-year-old economist is the latest winner of the John Bates Clark Medal, one of the profession's most prestigious honors. Here's why he matters.
Obama is attacking Romney and Ryan on education. Do the claims stand up?
Spending on teachers has a return on investment of about 318 percent. It's hard to think of a private sector investment with that kind of bang for the buck.
Ask any poverty expert and they'll tell you that the Earned Income Tax Credit is the most effective anti-poverty program in the United States. But those in areas with a lot of knowledge about the credit get an average of $122 more than those in low knowledge areas.