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...

"Explores why America's energy crises of the 1970s occurred, how different choices might have prevented or ameliorated them, and what they have meant for the half-century since-and likely the half-century ahead."