Arid regions of Africa are expanding by thousands of square kilometers a year, potentially disturbing pastoral routes that have been forged over a long period of time. This disturbance is often said to explain why "herder-farmer" conflicts have erupted in recent years, as pastoralists and...

This paper estimates the impact of admission to formal vocational secondary programs on labor market outcomes in Mongolia. We conducted public lotteries to allocate scarce slots for approximately 8,000 students who applied to oversubscribed trades in 10 vocational schools during 2010, 2011, and...

We apply a Regression Discontinuity based approach to screen for collusion developed in Kawai et al. (2022) to public procurement data from five countries. We find that bidders who win by a very small margin have significantly lower backlog than those who lose by a very small margin in the...