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

There is little systematic evidence on the links between procurement systems and outcomes such as competition and corruption levels. This paper adds to the evidence, using data on 34,000 firms from the World Bank's Enterprise Surveys, in 90 countries with procurement systems data from Public...

During Vietnam's two decades of rapid economic growth, its fertility rate has fallensharply at the same time that its educational attainment has risen rapidly - macro trendsthat are consistent with the hypothesis of a quantity-quality tradeoff in child-rearing. We investigate whether the...