The report surveys the state of our knowledge regarding the effects of trade on the environment. A central question is whether globalization helps or hurts in achieving the best tradeoff between environmental and economic goals. Do international trade and investment allow countries to achieve...

Financial, managerial, and medical decisions often involve alternatives whose possible outcomes have uncertain probabilities. In contrast to alternatives whose probabilities are known, these uncertain alternatives offer the benefits of learning. In repeat-choice situations, such learning brings...

We describe three essential elements of an effective post-2012 international global climate policy architecture: a means to ensure that key industrialized and developing nations are involved in differentiated but meaningful ways; an emphasis on an extended time path of targets; and inclusion of...

In this article the author examines aspects of U.S. housing policy in the aftermath of the global financial crisis of 2008-09. The author notes that between the years 2000 and 2010 the U.S. housing market underwent extremes of prosperity and financial failure as home prices rose precipitously,...

Rising standards for accurately inferring the impact of development projects has not been matched by equivalently rigorous procedures for guiding decisions about whether and how similar results might be expected elsewhere. These 'external validity' concerns are especially pressing for 'complex'...

In this paper, we demonstrate that university students who cheat on a simple task in a laboratory setting are more likely to state a preference for entering public service. Importantly, we also show that cheating on this task is predictive of corrupt behavior by real government workers, implying...

We study the economic effects of religious practices in the context of the observance of Ramadan fasting, one of the central tenets of Islam. To establish causality, we exploit variation in the length of the fasting period due to the rotating Islamic calendar. We report two key, quantitatively...