Over the past decade, concern over potential global warming has focused attention on the emission of greenhouse gases into the atmosphere, and there is an active debate concerning the desirability of reducing emissions. At the heart of this debate is the future path of both greenhouse gas...

The share of health insurance premiums that self-employed workers can deduct when computing federal income taxes rose from 30 percent in 1996 to 100 percent in 2003. Data from the 1996–2004 Medical Expenditure Panel Survey are used to show that the increased tax subsidy was associated with...

Findings of inverted-U relationships between income and certain pollutants have generated considerable controversy, yet relatively little is known about the factors underlying these relationships. U. S. emissions of several major air pollutants have begun to decline, mirroring trajectories found...

This paper presents a multivariate decomposition analysis of racial and ethnic differences in children's health insurance using the 2004-2005 Medical Expenditure Panel Survey. We present two methodological contributions. First, we adapt a recently-developed matching decomposition method for use...