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...

This paper investigates the impact of World Bank development policy operations on the quality of economic policy during the period 1998-2015. A new theoretical framework distinguishes among three effects that have been conflated hitherto: (a) marginal impacts of additional policy actions within...

This paper compiles project-level data from the World Bank's lending history to describe patterns and the composition of its portfolio. The paper focuses particularly on the effect of countries' transition from International Development Association to International Bank for Reconstruction and...

Do elites capture foreign aid? This paper documents that aid disbursements to highly aid-dependent countries coincide with sharp increases in bank deposits in offshore financial centers known for bank secrecy and private wealth management, but not in other financial centers. The estimates are...

This study uses loan-level data on syndicated lending to a large sample of developing countries between 1993 and 2017 to estimate the mobilization effects of multilateral development banks (MDBs), that is, their ability to crowd-in capital from private creditors. Controlling for a large set of...

Does "infant industry" preferential access durably boost export performance? This paper exploits significant trade policy changes in the United States around the turn of the 21st century to address this question. The expansion of Generalized System of Preferences (GSP) products for less...

The severe conditions in Zimbabwe, which reached a nadir in 2008 and 2009, led to a collapse of basic systems including the reliability and safety of water supply and sanitation services, leading to an outbreak of cholera with more than 4,000 deaths and over 90,000 people infected. The World...

Convenient access to safe water is central to human health and development. Water-borne disease remains a major cause of mortality and morbidity in the world, much of which could be eliminated by a combination of better water, sanitation and hygiene (WaSH). The WHO estimates that around 502 000...