Increasing returns in matching between skilled workers and firms create a local thick-market externality when labour markets are geographically segmented. This generates an agglomeration force that can offset the dispersion force due to local competition in a segmented product market. When this...

In this Paper, we develop a two country four region model allowing for a core periphery pattern inside countries. We then examine how both the integration and the agglomeration process inside a given country affects the pattern of specialization and international trade. We also analyse how...