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 report provides data and insights on the role of grant funding and concessional financing in meeting the Sustainable Development Goal for water (SDG 6, known as the water SDG). These sources of funding are collectively referred to in this report as aid flows to the water sector. This report...

There have been substantial improvements in development outcomes in Afghanistan since 2001, particularly in terms of improved access to basic services such as water, sanitation, and electricity, and increased human development in education and health. However, some gains are now being eroded due...

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...