“...This article presents a synthetic review of impact evaluations examining the effectiveness of community-driven development (CDD) and curriculum interventions...”

“...How can intergroup contact programs affect conflict-ridden communities besides improving the outgroup attitudes of participating individuals? We address this...”

“...BACKGROUND Natural forest preservation in the tropics, and thus in developing countries, must be an element of any effective effort to manage climate change...”

“...We study issues related to external validity for treatment effects using over 100 replications of the Angrist and Evans (1998) natural experiment on the...”