An important number of twins are missing because of their substantially greater mortality risk in early ages relative to singletons. This paper has a twofold goal. First, it investigates whether, as children age, the twin-singleton inequality in mortality rates vanishes, and if yes, when....

This paper uses the 1979 National Longitudinal Survey of Youth Labor Market Experience to examine whether, as Freeman has contended, wage differentials based on race have largely vanished from the labor market for young men. The evidence indicates that there is still a significant black-white...

No model of public investment is complete without introducing the effects of the interaction between pressure groups and agency officials. The contention that public managers attempt to extend control over resources is a convenient starting point for the analysis. The logrolling models that...

Several decades ago, marriage among women in most of sub-Saharan Africa could reasonably be described as early and near-universal. However, it is apparent from a number of studies published in the past two decades that in many countries in the region, there is a trend toward delays in the onset...