"Expanding and improving basic education in developing countries requires, at a minimum, teachers who are present in the classroom and motivated to teach, but this essential input is often missing. This paper describes the findings of a series of recent World Bank and other studies on teacher...

"The initial occupational placements of male immigrants in the U.S. labor market vary significantly by country of origin even when education and other factors are taken into account. Does the heterogeneity persist over time? Using data from the 1980, 1990, and 2000 U.S. Censuses, this study...