In this paper we examine the link between retrospectively reported measures of childhood health and the prevalence of various major and minor diseases at older ages. Our analysis is based on comparable retrospective questionnaires placed in the Health and Retirement Study and the English...

Nearly a quarter of Mexico's workforce is self employed. But in the U.S. rates of self employment among Mexican Americans are only 6 percent, about half the rate among non-Latino whites. Using data from the Mexican and U.S. population census, we show that neither industrial composition nor...

Recent literature on the relationship between ethnic or racial segregation and outcomes has failed to produce a consensus view of the role of ghettos; some studies suggest that residence in an enclave is beneficial, some reach the opposite conclusion, and still others imply that any relationship...

Urban change involves transformations in the physical appearance and the social composition of neighborhoods. Yet, the relationship between the physical and social components of urban change is not well understood due to the lack of comprehensive measures of neighborhood appearance. Here, we...

The vast majority of Individual Retirement Account contributions represent net new saving, based on evidence from the quarterly Consumer Expenditure Surveys (CES). The results are based on analysis of the relationship between IRA contributions and other financial asset saving. The data show...

The objective of this paper is to describe and understand the determinants of changes in the number and quality of new legal immigrants to the United States over the last 25 years. Our main interest is in understanding the behavioral response of potential immigrants to changes in the U.S....

Empirical research on cities starts with a spatial equilibrium condition: workers and firms are assumed to be indifferent across space. This condition implies that research on cities is different from research on countries, and that work on places within countries needs to consider population,...

Americans average 25.1 working hours per person in working age per week, but the Germans average 18.6 hours. The average American works 46.2 weeks per year, while the French average 40 weeks per year. Why do western Europeans work so much less than Americans? Recent work argues that these...

This paper discusses the prevalence of Silicon Valley-style localizations of individual manufacturing industries in the United States. Several models in which firms choose locations by throwing darts at a map are used to test whether the degree of localization is greater than would be expected...