Empirical work on regional growth under spatial spillovers uses two workhorse models: the spatial Solow model and Verdoorn's model. This paper contrasts these two views on regional growth processes and demonstrates that in a spatial setting the speed of convergence is heterogenous in both...

Trade-related measures aim to regulate side-effects in international environmental agreements and are expected to positively influence the level of participation in the agreements as well as their degree of stability. In this paper we examine one side-effect of the 1994 International Tropical...