There is relatively little systematic evidence on the links between procurement systems and outcomes such as competition and corruption levels. This paper adds to the evidence base, using data on almost 34,000 firms from the World Bank's Enterprise Surveys, in 88 countries that also have...

The 2005 Paris Declaration on Aid Effectiveness sets targets for increased use by donors of recipient country systems for managing aid. It also calls for donors to be more responsive to the quality of recipient country systems: the optimal level of their use, in terms of maximizing the...

This study tests two opposing hypotheses about the impact of aid fragmentation on the practice of aid tying. In one, when a small number of donors dominate the aid market in a country, they may exploit their monopoly power by tying more aid to purchases from contractors based in their own...

This paper assesses corruption levels and trends among countries in the transition countries of Eastern Europe and Central Asia (ECA) based on data from several sources that are both widely used and cover most or all countries in the region. Data from firm surveys tend to show improvement in...

This study investigates the World Bank's use of lending and non-lending instruments to affect the policy priorities of developing countries. In a typical year, the World Bank lends more than $30 billion to its client countries. It also spends approximately $200 million on the provision of...

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...

Over the past decade, donors of foreign aid quadrupled their annual contributions to trust funds at the World Bank. This earmarking of contributions to donors' preferred recipient countries and issues has raised concerns about the alignment of trust funds with the performance-based allocations...

Some multilateral agencies implement aid projects in a broad range of sectors, with aid disbursements showing a strong overlap with those of bilateral donors. The question then arises of why do bilateral donors delegate sizable shares of their aid to non-specialized agencies for implementation?...

This study investigates the impact of World Bank development policy lending on the quality of economic policy. It finds that the quality of policy increases, but at a diminishing rate, with the cumulative number of policy loans. Similar results hold for the cumulative number of conditions...

The literature on aid and growth has not found a convincing instrumental variable to identify the causal effects of aid. This paper exploits an instrumental variable based on the fact that since 1987, eligibility for aid from the International Development Association (IDA) has been based partly...