production within these goods. Using Chinese official environmental data on air and water pollution, and official trade data, we … relatively cleaner, highly fragmented sectors, and (3) the pollution intensity of Chinese exports has fallen dramatically between … standard model of the pollution intensity of trade, we develop a model that explicitly introduces production fragmentation into …

This article proposes and evaluates four hypotheses about US pollution and environmental policy over the last half … century. First, air and water pollution have declined substantially, although greenhouse gas emissions have not. Second …, environmental policy explains a large share of these trends. Third, much of the regulation of air and drinking water pollution has …

(1) The U.S. share of the world's science and engineering graduates is declining rapidly as European and Asian …

since 1995. The paper draws on a variety of data sources but most heavily on the recent World Input-Output Database. China …

Consensus forecasts for the global economy over the medium and long term predict the world's economic gravity will …