There is growing clamor in industrial countries for additional border taxes on imports from countries with lower carbon prices. A key factor affecting the impact of these taxes is whether they are based on the carbon content of imports or the carbon content in domestic production. Our...

While the precise contribution of biofuels to surging food prices is difficult to know, policies promoting production of the current generation of biofuels are not achieving their stated objectives of increased energy independence or reduced greenhouse gas emissions. Reaching the congressionally...

Decades of programmatic experimentation by development NGOs combined with the latest empirical techniques for estimating program impact have shown that a well-designed, well-implemented, multi-faceted intervention can in fact have an apparently sustained impact on the incomes of the poor...

This paper suggests a reinterpretation of global growth — encompassing notions of unconditional convergence and the middle income trap — in the past 50 years through the lens of growth theory. We innovate by studying two modes of convergence: a classic “Solow” model where poorer...

A natural outcome of the emerging pledge and review approach to international climate change policy is the interest in comparing mitigation efforts among countries. Domestic publics and stakeholders will have an interest in knowing if “comparable” or “peer” countries are undertaking (or...

This paper considers the effectiveness and efficiency of global growth, as a route to poverty reduction, since 1990 and then demonstrates the redistributive challenges implicit in various poverty lines and scenarios: the significance being that this historical data can inform understanding and...

While much progress has been made over the last 25 years in measuring global poverty, there are a number of challenges ahead. The paper discusses three sets of problems: (i) how to allow for social effects on welfare, recognizing the identification issues involved; (ii) the need to monitor...