Between 1990 and 2008, emissions of the most common air pollutants from U.S. manufacturing fell by 60 percent, even as real U.S. manufacturing output grew substantially. This paper develops a quantitative model to explain how changes in trade, environmental regulation, productivity, and consumer...

Today there are many questions about the nature and the future of the so-called 'new economy'. The term 'new economy' itself has acquired a variety of quite different connotations. For many commentators, it continues to refer primarily to the altered macroeconomic performance of the US economy...