The National Longitudinal Survey of Youth collects information about over 20 separate components of respondent income. These disaggregated income components provide many opportunities to verify the consistency of the data. This note outlines procedures we have used to identify and `clean'...

This paper examines the impact of collective-bargaining legislation on dispute costs and wages using a panel of Canadian public-sector contracts. The authors' results suggest that policymakers designing collective-bargaining legislation face a trade-off between reducing dispute costs and...

We are the first to examine the effect of Superfund cleanups on infant health rather than focusing on proximity to a site. We study singleton births to mothers residing within 5km of a Superfund site between 1989-2003 in five large states. Our "difference in differences" approach compares birth...

Parental socioeconomic status (SES) may affect a child?s educational outcomes through a number of pathways, one of which is the child?s health. This essay asks two questions: What evidence exists about the effect of parental SES on child health? And, what evidence exists about the effect of...