Fragile and conflict-affected states face daunting challenges for development. Aid has a greater importance on development in these states than in others, and therefore aid effectiveness ?management and delivery of aid ? bears serious consideration. Despite its significance, aid effectiveness is...

One of the most fruitful advances in modern economics has been the introduction of psychological realism into the model of "economic man." The World Development Report 2015 organizes the evidence about how humans actually think and make decisions into a coherent framework useful for designing...

The international development community has been grappling with the challenges of implementing development programs and, consequently, with the design of practical approaches to attaining program objectives. This paper contributes to the emerging discussion on addressing the implementation...

The consensus among scholars and policymakers that "institutions matter" for development has led inexorably to a conclusion that "history matters," since institutions clearly form and evolve over time. Unfortunately, however, the next logical step has not yet been taken, which is to recognize...

Protectionism and industrial regulation are two topics in which the interplay of politics and economics is so strong that one wonders why the intellectual merger between the two approaches in the New Political Economy has taken so long. After describing the emergence of the state in Western...

This paper presents evidence suggesting that the relationship between income and economic structure is shifting over time, with countries across the income distribution uniformly increasing the share of labor in service sectors and an increasingly less stark relationship between manufacturing...

This paper uses the night lights (satellite imagery from outer space) approach to estimate growth in and levels of subnational 2013 gross domestic product for 47 counties in Kenya and 30 districts in Rwanda. Estimating subnational gross domestic product is consequential for three reasons. First,...