"Can a brain drain be good for development? Many studies have established the theoretical possibility of such a brain gain. Yet it is only recently that the relaxation of data constraints has allowed for sound empirical assessments. In utilizing the dramatic policy change that accompanied...

"Increasing adult mortality due to HIV/AIDS in Sub-Saharan Africa raises considerable concerns about the welfare of surviving children. Studies have found substantial variability across countries in the negative impacts of orphanhood on child health and education. One hypothesis for this...

"In this paper the authors estimate the rate of return to firm investments in human capital in the form of formal job training. They use a panel of large firms with unusually detailed information on the duration of training, the direct costs of training, and several firm characteristics such as...

"The authors follow the Hellerstein, Neumark, and Troske (1999) framework to estimate marginal productivity differentials and compare them with estimated relative wages. The analysis provides evidence on productivity and nonproductivity-based determinations of wages. Special emphasis is given to...

"Millions of households in developing countries receive financial support from family members working overseas. How do the economic prospects of overseas migrants affect origin-household investments-in particular, in child human capital and household enterprises? Yang examines Philippine...

"Are natural resources a blessing or a curse? Bravo-Ortega and De Gregorio present a model in which natural resources have a positive effect on the level of income and a negative effect on its growth rate. The positive and permanent effect on income implies a welfare gain. There is a growth...

"Chen and Dahlman assess the effects of knowledge on economic growth. By using an array of indicators, each of which represents an aspect of knowledge, as independent variables in cross-section regressions that span 92 countries for the period 1960 to 2000, they show that knowledge is a...