We test whether students in a hybrid format of introductory microeconomics, which met once per week, performed as well as students in a traditional lecture format of the same class, which met twice per week. We randomized 725 students at a large, urban public university into the two formats, and...

There have been relatively few evaluations of the effect of private insurance and Medicaid on infant health, and results from previous studies are inconclusive. The objective of this study if to estimate the effect of private insurance coverage and Medicaid participation on birth weight and the...

The authors develop a method to correct for nonrandom measurement error in a binary indicator of illicit drugs. Their results suggest that estimates of the effect of self-reported prenatal drug use on birth weight are biased upwards by measurement error--a finding contrary to predictions of a...

There have been relatively few evaluations of the effect of private insurance and Medicaid on infant health, and results from previous studies are inconclusive. The objective of this study if to estimate the effect of private insurance coverage and Medicaid participation on birth weight and the...

The Out-Of-Wedlock Birth Reduction Bonus ("Illegitimacy Bonus"), part of the 1996 welfare reform legislation, awarded up to $100 million in each of five years to the five states with the greatest reduction in the non-marital birth ratio. Alabama, Michigan, and Washington D.C. each won bonuses...

The 1996 Personal Responsibility Work Opportunity Reconciliation Act dramatically altered the economic incentive to bear children out-of-wedlock for economically disadvantaged women or couples most likely to avail themselves of welfare programs. We use data from vital statistics and a...