Almost half of the world's states provide bilateral development assistance. While previous research takes the set of donor countries as exogenous, this article is the first to explore the determinants of aid donorship. We hypothesize that democratic institutions reduce poor countries' likelihood...

This paper shows that the increased policy-selectivity of aid allocations observed in recent years provides recipient countries an incentive to improve policies. The paper estimates that a change in the World Banks Country Policy and Institutional Assessment policy index from 1.5 to 2 for a...

The article criticizes the World Bank as overy optimistic concerning its ability to raise the effectiveness of aid by concentrating aid on countries with "good" policies. It is shown that aid flows to the main recipient regions yielded the highest correlation to growth when their magnitudes...