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...