Caroline Hoxby continues her research on the economic benefits of school choice. (via RCinProv's top secret class blog.)
Her latest study maintains that the cities with a large number of school districts closely resembles a system of choice. How do you find cities with a large numbers of districts? Count them? Nah. First you see which cities have the most streams, because lots of streams = lots of districts. Huh? Sounds like Freakonomics gone bad.
Read more at the Lowest Deep and this Wall Street Journal article.