"The current account can be understood as the outcome of investment decisions made by domestic and foreign investors. These decisions can be decomposed into a portfolio rebalancing and a portfolio growth component. This paper provides empirical evidence of the importance of portfolio rebalancing...

Immunization deserves high priority, especially in developing countries, for three reasons: vaccine-preventable diseases, disproportionately affect the poorest fifth of the population; immunization is among the most cost-effective interventions, and has a major impact in reducing the burden of...

"Tax expenditures, in the form of tax provisions, are government expenditures. They are conceptually and functionally distinct from those tax provisions whose purpose is to raise revenue. Tax expenditure programs are comparable to entitlement programs. Therefore, tax expenditures must be...

This background paper describes five different tools that can be used for the assessment of tax incentives by governments in low income countries' (LICs). The first tool (an application of cost-benefit analysis) provides an overarching framework for assessment. Evaluations of the various costs...

Experience shows that there is often ample room for more effective and efficient use of investment tax incentives in low-income countries. Tax incentives generally rank low in investment climate surveys in low-income countries, and there are many examples in which they are reported to be...

"Systematic information on household financial asset holdings in developing countries is very sparse. The author reviews some available data and current policy debates. Although financial asset holdings by households are highly concentrated, deeper financial systems are correlated with improved...

How can the world grow more food, increase incomes, reduce poverty, and protect the environment with growing numbers of mouths to feed and increasingly constrained resources? A big part of the answer lies in better management of agricultural water. Agricultural water management (AWM) encompasses...