How can the impact of aid be estimated in the presence of fungibility? And how far does fungibility reduce its benefits? These questions are analyzed in a context where a donor wants to target its efforts on a specific sector and specific geographic areas. A traditional...

This paper examines historically the World Bank's twin features: lending to developing economies to achieve tangible results and advocating specific development policies. Section 1 provides some conceptual underpinnings for the view that an effective state is essential for development. It asks...

A frontier challenge for development strategy is to move beyond prescribing optimal economic policies, and instead -- taking a broad view of the interactions between economic, political and social constraints and dynamics -- to identify entry points capable of breaking a low-growth logjam, and...