Although no comprehensive sickness insurance system existed in Japan until the mid-twentieth century, the infant mortality rate in Japan started to decline from the early twentieth century onwards, specifically owing to health improvements in low-income areas. This paper focuses on the impact of...

This paper provides the first empirical evidence that household electrification leads to direct and substantial welfare improvements via reductions in indoor air pollution. In the setting of a recent electrification program in northern El Salvador, we exploit a unique data-set on...