Despite the recent inroads made by models of interregional trade based on external" economies, the analysis of the long-run trends in U.S. regional specialization in agriculture manufacturing, wholesale trade, retail trade, services, and all economic activities indicate that" these trends are...

We investigate the impact of Canada-U.S. trade integration on the degree of export diversification of the Canadian regions. Trade integration is captured through the decrease of trade-weighted tariffs that were boosted by implementation of the Canadian-U.S. Free Trade Agreement. We found strong...