between prices in the U.S. and Canada in our data (annual from 1990 to 2002) is greater than seven percent. This difference …

-40) period. Surprisingly, we find that average relative price dispersion across cities within Canada and the U.S., and the role … also find large changes in the importance of the Canada- U.S. border during the Interwar period. While increased price … rates), large relative and absolute price differences persist even after the Canada-U.S. nominal exchange rate returned to …