Chronic exposure from drinking well-water with naturally high concentrations of fluoride (F−)
has serious health consequences in several regions across the world including South Asia …

We implement a randomized controlled trial and a qualitative study to assess whether, and if
so how, behavioral change can be sustained. We do so in the context of Pakistan's national …

Health, and in turn income and welfare, depend on access to safe drinking water. Although
the majority of rural households worldwide obtain drinking water from community water …

Abstract The World Health Organization has labeled the problem of arsenic contamination of
groundwater in South Asia as “the largest mass poisoning in human history.” Various …

Well‐switching programs in Bangladesh have successfully lowered arsenic exposure. In
these programs, households switch from wells that are labeled “unsafe” to nearby wells …

Thirty million Bangladeshis continue to drink water with unacceptable levels of arsenic (> 10
μg/L), resulting in a large public health burden. The vast majority of the Bangladeshi …

We implement a mixed method approach that combines a randomized controlled trial and
qualitative data collection to assess whether, and if so how, behavioural change can be …

This thesis examines the roles of social incentives in economic decision-making. The first
chapter analyzes the impact of (partially) revealing social identity on the behavior of …

We exploit novel data collected within a randomized controlled trial of a sanitation
microcredit intervention to study how intra-household gender differences in perceptions of …