This paper presents results from a randomized …eld experiment to test for the impor- tance of limited commitment (due to incomplete contract enforceability) in explaining intra- household risk sharing arrangements in Kenya. The experiment followed 142 daily income earners and their spouses...

In many developing countries, unexpected income shocks are common, formal insurance is absent, and informal inter-household risk-sharing networks are unable to provide full insurance. An important question is therefore whether risk sharing within the household is effective. I conducted a field...

Using data from a field experiment in Kenya, we document that providing individuals with simple informal savings technologies can substantially increase investment in preventative health and reduce vulnerability to health shocks. Simply providing a safe place to keep money was sufficient to...

Computers are an important part of modern education, yet many schoolchildren lack access to a computer at home. We test whether this impedes educational achievement by conducting the largest-ever field experiment that randomly provides free home computers to students. Although computer ownership...

Computers are an important part of modern education, yet many schoolchildren lack access to a computer at home. We test whether this impedes educational achievement by conducting the largest-ever field experiment that randomly provides free home computers to students. Although computer ownership...

Household investment in preventative health products is low in developing countries even though benefits from these products are very high. What interventions most effectively stimulate demand? In this paper, we experimentally estimate demand curves for health products in Kenya, Guatemala,...

Many micro-enterprises in Kenya have low productivity. We focus on one particular business decision which may indicate low productivity: keeping enough change on hand to break larger bills. This is a surprisingly large problem. Our estimates suggest that the average firm loses approximately...