This paper develops methods for evaluating marginal policy changes. We characterize how the effects of marginal policy changes depend on the direction of the policy change, and show that marginal policy effects are fundamentally easier to identify and to estimate than conventional treatment...

This paper investigates whether the religious identity of state legislators in India influences development outcomes, both for citizens of their religious group and for the population as a whole. To control for politician identity to be correlated with constituency level voter preferences or...

Why have economic reforms aimed at reducing the role of the state been successful in some cases but not others? Are reform failures the consequence of leviathan states that hinder private economic activity, or of weak states unable to implement policies effectively and provide a supportive...

This paper reviews recent empirical evidence on privatisation in developing countries. Particular emphasis is placed on new areas of research such as the distributional impacts of privatisation. Overall, the literature now reflects a more cautious and nuanced evaluation of privatisation. Thus it...

Immigration policy can have important net fiscal effects that vary by immigrants' skill level. But mainstream methods to estimate these effects are problematic. Methods based on cashflow accounting offer precision at the cost of bias; methods based on general equilibrium modeling address bias...

The slave trades out of Africa represent one of the most significant forced migration experiences in history. In this paper I illustrate their long-term consequences. I first consider the influence of the slave trade on the "sending" countries in Africa, with attention to their economic,...