The El Niño Southern Oscillation (ENSO) is a principal component of global climate variability known to influence a host of social and economic outcomes, but its systematic effects on human…

We use a policy experiment in Indonesia to show how local political boundaries affect ethnic tension. Redrawing district borders along group lines reduces conflict. However, the gains in stability are…

We study optimal policy experimentation by a committee. We consider a dynamic bargaining game in which committee members choose either a risky reform or a safe alternative each period. When…

“Rugged individualism”—the combination of individualism and anti-statism—is a prominent feature of American culture with deep roots in the country’s history of frontier settlement. Today, rugged individualism is more prevalent in…

Global coal use must be phased out if we are to minimize temperature increases associated with climate change. Most new coal plants are being built in the Asia Pacific and…

Trade policy uncertainty (TPU) has become an important source of economic uncertainty and research. We review the main sources and measures of TPU. We then provide a conceptual framework for…

Although a substantial body of research argues that women provide terrorist organizations with important tactical benefits, few studies draw out the implications of this argument or examine whether female recruits…

Property titling enables tax collection and encourages private investment. Yet, governments across the developing world often fail to invest in land registration systems, such as cadastral maps, that record land…

Traditionally, analysis of the costs of cutting greenhouse gas emissions has assumed that governments would implement idealized, optimal policies such as uniform economy-wide carbon taxes. Yet actual policies in the…

We identify a form of gender-based governmental discrimination that directly affects billions of women on a daily basis: the setting of import tariffs for gendered goods. These tax rates, which…