Until recently, no study has found evidence for the “hot hand†in the National Basketball Association. Thus, many researchers have claimed that the hot hand and momentum effects are myths. This article presents simulations that demonstrate how the primary methods for estimating the hot...

I use state unemployment rates during a person’s teenage years to estimate the returns to schooling. A higher unemployment rate reduces the opportunity costs of attending school. Using the same 1980 Census data set that Angrist and Krueger (1991) use, I also estimate returns to schooling with...

This study estimates the effect of deployment location and length on the risk of developing PTSD, relative to what it would be from the normal military operations. We use a random sample of activity-duty enlisted personnel serving between 2001 and 2006. We identify PTSD cases from TRICARE...

This research examines how teenage drug and alcohol use responds to changes in the economy. In contrast to the recent literature confirming pro-cyclical alcohol use among adults, this research offers strong evidence that a weaker economy leads to greater teenage marijuana and hard-drug use and...