Replaced with revised version of paper 07/31/09.

This study analyzes the experiences of youth placed out-of-home for behavioral reasons by human services and juvenile corrections departments in a large Midwestern metropolitan county. The study goals are to determine whether youth placed by each department have similar characteristics and...

In standard cross-sectional wage regressions, married men appear to earn 10 to 20 percent more than comparable never-married men. One proposed explanation for this male marriage premium is that men may be selected into marriage on the basis of characteristics valued by employers as well as by...

Estimates of neighborhood effects on children's outcomes vary widely among the studies that seek to identify their existence and magnitude, reflecting substantial variation in data and model specification. Here, we review that literature, and ask if the disparity in estimates of neighborhood...

In this paper we propose a consistent test of the linearity of quantile regression models, similar to the Integrated Conditional Moment (ICM) test of Bierens (1982) and Bierens and Ploberger (1997). This test requires re-estimation of the quantile regression model by minimizing the ICM test...

In standard cross-sectional wage regressions, married men appear to earn 10 to 20% more than comparable never married men. One proposed explanation for this male marriage premium is that men may be selected into marriage on the basis of characteristics valued by employers as well as by spouses...

In this paper we examine the effect of family structure on children’s educational outcomes by exploiting the sibling structure in the NLSY and NLSY-Child to control for unobserved heterogeneity across families and individuals. We also compare outcomes for children within the same...

This article examines the relationship between Research & Development (R&D) funding and the production of knowledge by academic chemists. Using articles published, either raw counts or adjusted for quality, we find a strong, positive causal effect of funding on knowledge production. This effect...