We exploit the exogenous variations of arsenic contamination across regions in Cambodia and apply two-period difference-in-differences (DID) to examine the impact of arsenic-contaminated groundwater on school participation among children aged 5-17. We find that conditional on the DID assumption,...

We exploit the exogenous variations of arsenic contamination across regions in Cambodia and apply two-period difference-in-differences (DID) to examine the impact of arsenic-contaminated groundwater on school participation among children aged 5-17. We find that conditional on the DID assumption,...