"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...

"This paper examines the link between sectoral concentration and overall performance in the search for on-the-frontier innovations, inside-the-frontier innovations, and export booms. It extends the literature by increasing country coverage and the types of search processes considered, and by...

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...