The Medicare Modernization Act was recently established, to provide limited drug coverage to the elderly. However, there is limited evidence on how drug coverage might affect health. The goal of this paper is to obtain "causal effects" of prescription drug coverage on drug use, use of other...

We examine the effect of gaining prescription drug insurance as a result of Medicare Part D on use of prescription drugs, use of other medical services, and health for a nationally representative sample of Medicare beneficiaries. Given the heightened importance of prescription drugs for those...

We use data from the National Longitudinal Surveys of Youth 1979 and 1997 cohorts to compare welfare use, fertility rates, educational attainment, and marriage rates among teenage women in the years before and the years immediately following welfare reform. Our first objective is to document...

The problems of teen pregnancy, HIV/AIDS and the high rates of other sexually transmitted diseases among youth have lead to widespread concern with the sexual behaviors of teenagers. Alcohol use is one of the most commonly cited correlates of risky sexual behavior. The purpose of this research...

Drug use and welfare are two serious social problems that have received widespread public attention. Recently, it has been suggested that illicit drug use is a major cause of welfare, although there is only anecdotal evidence to support such a claim. This paper provides the first systematic...

Declines in the welfare caseload in the late 1990s brought significant change to the lives of many low-educated, single mothers. Many single mothers left welfare and entered the labor market and others re-arranged their lives in order to avoid going on public assistance. These changes may have...

In this paper, I examine the relationship between sibling sex composition and educational achievement. First, I replicate the study of Butcher and Case (1994) using data on a more recent birth cohort. Contrary to the findings of that study, I find basically no effect of sibling sex composition...

This paper analyzes the effects of illicit drug use on the labor supply of a sample of young adults using data from the National Longitudinal Survey of Youth. The paper investigates whether the frequency and timing of marijuana and cocaine use are systematically related to labor supply. and...

This paper examines the effects of cocaine and marijuana use on the wages of a sample of young adults drawn from the NLS Youth Cohort. The endogeneity of drug use in a wage equation is considered and a 2SLS procedure is implemented. The rather surprising results suggest that for this sample,...

Despite plausible mechanisms, little research has evaluated potential changes in health behaviors as a result of the Medicaid expansions of the 1980s and 1990s for pregnant women. Accordingly, we provide the first national study of the effects of Medicaid on health behaviors for pregnant women....