In this paper, we investigate time-dependent border and distance effects in the nineteenth century and document clear declines in the importance of these variables through time. What this suggests, in light of the work for the post-1950 era, is that researchers might have correctly identified...

Although many modern studies find large and significant effects of prior colonial status on bilateral trade, there is very little empirical research that has focused on the contemporaneous impact of empire on trade. We employ a new database of over 21,000 bilateral trade observations during the...