South Africa has one of the highest crime rates in the world. This paper examines the effect of weather shocks on various types of crime. Using a 12-year panel data set at a monthly resolution on the police ward level, we observe a short-term effect of temperatures on violent crime. Furthermore,...

When properly implemented, Randomized Controlled Trials (RCT) achieve a high degree of internal validity. Yet, if an RCT is to inform policy, it is critical to establish external validity. This paper systematically reviews all RCTs conducted in developing countries and published in leading...

This paper presents field experimental evidence that limited information about workseekers' skills distorts both firm and workseeker behavior. Assessing workseekers' skills, giving workseekers their assessment results, and helping them to credibly share the results with firms increases...