Many studies have found that international borders represent large barriers to trade. But how do international borders compare to domestic border barriers? We investigate international and domestic border barriers in a unified framework. We consider a data set of exports from individual US...

This ambitious volume provides a trenchant and timely analysis of the creation of a single market in both the EU and the US. Comparing the experience of the US during the nineteenth century and the single market of the EU in the twentieth century, Single Markets demonstrates how the political...