Occupational credentials provide an additional-and, at times, alternative-path other than traditional academic degrees for individuals to increase productivity and demonstrate their abilities and qualifications to employers. In the United States, these credentials typically take the form of...

This study examines the relationship between maternal behavior during pregnancy, birth outcomes, and early childhood development. Specifically, in the context of four measures of maternal behavior during pregnancy (maternal smoking, drinking, prenatal care, and maternal weight gain), three...

Dynamic adjustments could be a useful strategy for mitigating the costs of acute environmental shocks when timing is not a strictly binding constraint. To investigate whether such adjustments could apply to fertility, we estimate the effects of temperature shocks on birth rates in the United...

Whether people of differing types can live happily together is one of the most important social and political questions concerning urban areas. From a variety of theoretical perspectives, such mixing seems extremely unlikely. While the theoretical result seems well supported in the context of...

The aim of this paper is to provide a new mechanism based on social interactions explaining why distance to jobs can have a negative impact on workers' labor-market outcomes, especially ethnic minorities. Building on Granovetter's idea that weak ties are superior to strong ties for providing...

This article attempts a formal analysis of the connection between property tax and urban sprawl in U.S. cities. We develop a theoretical model that includes households (who are also landlords) and land developers in a regional land market. We then test the model empirically based on a national...