The estimated duration of forced displacement situations is a key parameter in defining an adequate response to the crisis. Where the crisis is short, humanitarian aid may suffice; when it lasts, development interventions are required. Using data from the United Nations High Commissioner for...

In many developing countries, environmental quality remains low and policies to improve it have been inconsistently effective. This paper conducts a case study of environmental policy, focusing on an unprecedented ruling by the Supreme Court of India, which targeted industrial pollution in the...

This paper analyzes the rise and demise of piracy off the coast of Somalia to highlight the interplay between public and private crime protection measures. Using unique data on attacks, hijacks, and ransoms, the authors estimate a structural model of Somali piracy to calculate the elasticity of...

This paper analyzes theoretically and empirically the impact of comparative advantage in international trade on fertility. It builds a model in which industries differ in the extent to which they use female relative to male labor and countries are characterized by Ricardian comparative advantage...

Why do firms and banks hold foreign currency denominated liabilities? The authors argue that foreign currency debt, by altering the effect of a devaluation on output, has a disciplining effect when the Central Bank's objectives differ from the social optimum. However, under imperfect...

The authors examine the impact of land reform in Vietnam which gives households the power to exchange, transfer, lease, inherit, and mortgage their land-use rights. The authors expect this change to increase the incentives as well as the ability to undertake long-term investments on the part of...

The goal of global scaling up handwashing is to reduce the risk of diarrhea and therefore increase household productivity by stimulating and sustaining the behavior of handwashing with soap at critical times in the lives of 5.4 million people in Peru, Senegal, Tanzania, and Vietnam, where the...

We survey the recent literature on the mental health effects of conflict. We highlight the methodological challenges faced in this literature, which include the lack of validated mental health scales in a survey context, the difficulties in measuring individual exposure to conflict, and the...

This paper analyzes the spatial distribution of refugees over 1987-2017 and establishes several stylized facts about refugees today compared with past decades. (i) Refugees today travel longer distances. (ii) Refugees today are less likely to seek protection in a neighboring country. (iii)...

Utilities the world over grapple with how to set prices to recover fixed costs. This paper considers optimal utility provision and pricing when consumers form habits without being aware of it. Data from a multi-year pricing experiment among nearly 1500 rural piped water customers in Vietnam...