The author studies the persistence of inequality and inefficient governance in a physical capital accumulation model with perfect information, missing credit markets, and endogenous barriers to entry. When access to investment opportunities is regulated, rent-seeking entrepreneurs form...

During the past decade, the use of conditional cash transfers to increase investment in human capital has generated considerable excitement in both research and policy forums. Such schemes are being increasingly adopted in a number of contexts and countries to improve outcomes in health,...

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...

Using a database of 76,046 empirical economics papers published between 1985 and 2004 in the top 202 economics journals, the authors report two associations. First, per-capita research output on a given country increases with the country's per capita gross domestic product (GDP). Regressions...

Are wanted and unwanted children treated equally by their parents? To address this question, the authors rely on the observation that, according to Vietnamese astrology, dates of birth are believed to be determinants of success, luck, character, and good match between individuals. They then...

The authors survey the recent literature on the mental health effects of conflict. They 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,...

The social and economic consequences of poor mental health in the developing world are presumed to be significant, yet are largely under-researched. The authors argue that mental health modules can be meaningfully added to multi-purpose household surveys in developing countries, and used to...

During the Vietnam War, more than 70 million liters of military herbicide were sprayed over the combat zone. This study uses self and proxy-reported data on cancer status obtained from a nationally representative health survey of the Vietnamese population (N=158,019), combined with measures of...

Handwashing with soap, which has been shown to reduce diarrhea in young children by as much as 48 percent, is frequently mentioned as one of the most effective and inexpensive ways to save children's lives. Yet rates of handwashing remain very low throughout the world. Handwashing with soap...