We investigate the relationship between HIV, marriage and nonmarital sexual activity, with a focus on adolescent behaviors. We use data from 45 Demographic and Health Surveys to examine how adolescent behavior among women born from 1958 to 1965 are related to the subsequent spread of HIV over...

The well-known positive association between health and income in adulthood has antecedents in childhood. Not only is children's health positively related to household income, but the relationship between household income and children's health becomes more pronounced as children age. Part of the...

We consider two happiness puzzles. First, many studies show that only relative income matters for well-being. Yet the Gallup data for the United States and from the rest of the world show no such result, at least for life evaluation. There may be relative income effects in hedonic well-being...