correlations exist even for those preschool children who spend no time in day care, which implies that it cannot be due solely to …

environments across the two areas, we find remarkably consistent results: in families with two or more children, second-born boys … the evidence rules out differences in health at birth and the quality of schools chosen for children. We do find that …

students. However, very little empirical work has to date been completed on this topic. This paper provides the first empirical … every third, fourth, and fifth grader in a large school district over four years, we match students' test score gains and … substantial evidence that higher grading standards benefit students. We find that these effects are not uniform: High …

better than third generation immigrants. Among first generation immigrants, the earlier the arrival, the better the students … tend to perform. These patterns of findings hold for both Asian and Hispanic students, and suggest a general pattern of …

This paper tests whether income affects the body weight and clinical weight classification of elderly Americans using a … National Health Interview Surveys. The model estimates rule out even moderate effects of income on weight and on the …

earnings and employment and increases social income transfers, although we caution that the results are based on small samples …

employ data from the universe of children born in Florida between 1994 and 2002 and in Denmark between 1990 and 2001, which …