This paper examines fungibility as a possible explanation for the "missing link" between foreign aid and economic growth. The composition of aid plays a crucial role in determining the composition of government spending and, consequently, the magnitude of fungibility and its impact on growth....

The use of challenge funds to promote economic and social development continues to grow, but has been the subject of relatively little research. This paper develops a definition of what challenge funds are and how they differ from other development funding mechanisms, taking into account their...