In this study, we examine the effects of chronic exposure to air pollution on asthma exacerbation through a cross-sectional analysis of asthma prescriptions for quick-relief medications at the 5 digit zip code level in California. Using information on the use of maintenance therapies by each...

The use of voluntary approaches to achieve environmental improvements has grown dramatically in the United States since they were first introduced thirteen years ago. As of 2004, there are over 50 voluntary programs in the U.S. at the federal level alone. These programs take a variety of forms,...

In 2005, EPA promulgated the Clean Air Mercury Rule (CAMR) to permanently cap and reduce mercury emissions from coal-fired power plants. During the final stages of promulgating this rule, an article was published by Trasande et al. that raised some issues regarding how to measure benefits from...

Voluntary approaches have become a popular in the U.S. to enhance the efficacy and scope of existing regulations and to reduce emissions in sectors or for pollutants where formal environmental regulation is lacking. In this paper, we examine the effectiveness of a particular EPA voluntary...

The “social cost of carbon” (SCC) is the present value of the future stream of damages from one additional ton of carbon emissions in a particular year. This paper develops a simple model for calculating the SCC and compares estimates of the SCC under certainty and uncertainty. Our model...