In this article, we use administrative data from three cohorts of North Carolina public high school students to examine the effects of within-school segregation on the propensity of academically eligible black high school students to take advanced math courses. Our identification strategy takes advantage of cohort-to-cohort variation in the share…

Having decided to spend some time looking at one's understanding of numbers, the author was inspired by "Alex's Adventures in Numberland," by Alex Bellos to look at one's innate appreciation of number. Bellos quotes research studies suggesting that an individual's natural appreciation of numbers is more likely to be exponential rather…