This timely and important Handbook takes stock of progress made in our understanding of what sustainable development actually is and how it can be achieved. Twenty years on from the publication of the seminal Brundtland Report, it has become clear that formidable challenges confront policy...

We focus on the role that the transmission of information between a multilateral (the IMF) and a country has for the optimal design of conditional reforms. Our model predicts that when agency problems are especially severe, and/or IMF information is valuable, a centralized control is indeed...

The typical identification strategy in aid effectiveness studies assumes donor motives do not influence the impact of aid on growth. We call this homogeneity assumption into question, first constructing a model in which donor motives matter and then testing the assumption empirically. -- Aid ;...