The study analyzes the determinants of reading achievement for 500 fourthgraders in the Wilmington, Delaware, school district. The data are an improvement over those used by past researchers because of the concurrent availability of student IQ, pretest and posttest reading scores, student...

Anne Case et al. (2002), using cross-sectional data, found a positive relationship between children's health and income, with income's protective effect increasing with age. Janet Currie and Mark Stabile (2003), using a panel of Canadian children, found that low- and high-SES children respond...

Our objective is to estimate the extent to which clinical and non-clinical factors are associated with physicians’ prescribing patterns for statins. The data are from the National Ambulatory Medical Care Survey for the period 1992 through 2004. The three samples examined included more than...

This study investigates the relationship between free agent salaries and contract length in Major League Baseball (MLB) to examine whether players trade-off returns to performance for additional job security. This study is the first to conduct a comprehensive, multiperiod study of salary...

Using four large micro data sets, this paper examines the returns to investments in education by registered nurses during the period 1970-84. Wage models are estimated by a maximum likelihood technique that accounts for selection bias. No wage difference existed between associate and diploma...