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This study investigates the effects of a broad-based policy change that altered maternal employment, family income, and other family characteristics on drug-related crime among youth. Specifically, we exploit differences in the implementation of welfare reform in the United States across states and over time in the attempt to identify causal effects of welfare reform on youth arrests for drug-related crimes between 1990 and 2005, the period during which welfare reform unfolded. We use monthly arrest data from the U.S. Federal Bureau of Investigation’s Uniform Crime Reports to estimate the effects of welfare reform implementation on drug-related arrests among 15- to 17-year-old teens exposed to welfare reform. The findings, based on numerous different model specifications, suggest that welfare reform had no statistically significant effect on teen drug arrests. Most estimates were positive and suggestive of a small (3%) increase in arrests.

This study analyses the effects of alcohol consumption on the labour market outcomes of older individuals. The data set used consists of five waves of the Health and Retirement Study. The results from models with a limited number of covariates indicate that there is a wage and earnings premium associated with alcohol use. This premium progressively diminishes as more individual-level controls are added to the standard earnings function. The data set is longitudinal which allows for estimation of individual-fixed-effects specifications. These results indicate that alcohol use does not have a positive effect on earnings and wages.

We use postpartum survey data linked to medical records and city-level drug prices to estimate the demand for illicit drugs among pregnant women. We find that a $10 increase in the retail price of a gram of pure cocaine decreases illicit drug use by 12–15%. The estimated price effects for heroin are lower than for cocaine and are less robust across alternative model specifications. This study provides the first estimates of the effects of drug prices on prenatal drug use and yields important information about the potential of drug enforcement as a tool for reducing illicit drug use among pregnant women.

Six papers on individual behaviour are included in this volume. The first three are devoted to the determinants of individual consumption behaviour, the next two analyse the impact of individual substance use on labour market performance and criminal activities, respectively, while the last one challenges recent research, which claims that the increase in the prescription of antidepressants is the major factor behind the observed reduction in suicide rates during the 1990s.

How individuals allocate their time between work and leisure has important implications regarding worker well-being. For example, more time at work means a greater return to human capital and a greater proclivity to seek more training opportunities. At the same time, hours spent at work decrease leisure and depend on one's home environment (including parental background), health, past migration, and government policies. In short, worker well-being depends on trade-offs and is influenced by public policy. These decisions entail time allocation, effort, human capital investment, health, and migration, among other choices. This volume considers worker well-being from the vantage of each of these alternatives. It contains ten chapters. The first three are on time allocation and work behavior, the next three on aspects of risk in the earnings process, the next two on aspects of migration, the next one on the impact of tax policies on poverty, and finally the last chapter on the role of labor market institutions on sectoral shifts in employment.