This paper econometrically examines the impact of aid on the well-being of population sub-groups within 48 developing countries. This is a radical departure from previous empirical research of aid effectiveness at the country level, which has looked mainly at the relationship between aid and...

Economists and demographers have long argued that fertility differs by income (differential fertility), and that social security creates incentives for people to rear fewer children. Does the effect of social security on fertility differ by income? How does social security change the...