Government programs often fail because of poor implementation by local bureaucrats. What explains this chronic weakness of local state capacity? Prominent explanations emphasize rent-seeking by bureaucrats or capture by politicians and special interest groups. This paper documents a different...

Since their inception, through 2012, the institutions comprising the World Bank group have been involved in lending nearly a trillion dollars. In this paper, we focus on the IBRD, which is the core of the World Bank. The IBRD has the potential to continue to grow and be an important player in...

Where elections are costly but accountability mechanisms are weak, politicians often turn to private firms for illicit election finance. Where firms are highly regulated, politicians can exchange policy discretion or regulatory forbearance for bribes and monetary transfers from firms. Due to its...

The development prospects of a poor country depend in part on its capacity for innovation. The productivity of its innovators depends in turn on their access to technological knowledge. The emigration of highly skilled individuals weakens local knowledge networks (brain drain), but may also help...

We examine how the spatial and social proximity of inventors affects knowledge flows, focusing especially on how the two forms of proximity interact. We develop a knowledge flow production function (KFPF) as a flexible tool for modeling access to knowledge and show that the optimal spatial...

The development prospects of a poor country depend in part on its capacity for innovation. The productivity of its innovators depends in turn on their access to technological knowledge. The emigration of highly skilled individuals weakens local knowledge networks (brain drain), but may also help...

We examine how the spatial and social proximity of inventors affects knowledge flows, focusing especially on how the two forms of proximity interact. We develop a knowledge flow production function (KFPF) as a flexible tool for modeling access to knowledge and show that the optimal spatial...