little evidence that differences in environmental policies across countries have led to significant "pollution havens". Trade …

This paper tackles the "pollution haven" argument by estimating the pollution content of imports (PCI). The PCI is then …) a factor endowment component and (iii) a "pollution haven" component reflecting the impact of differences in … ISIC 4-digit sectors. Decompositions based on cross-section econometric estimates suggest a significant pollution haven …