Recent studies suggest a considerable amount of horizontal strategic interaction amongst governments exists. The empirical approach in these studies typically relies on estimating reaction functions in a uni-dimensional policy framework, where a nonzero slope estimate suggests strategic...

In this paper we consider a model with two industrialised countries and immigrants that come from the rest of the world . The countries are distinguished on the basis of three parameters: population size, bias towards immigrants, and production complementarity between native population and...

We explain the spatial concentration of economic activity, in a model of economic geography, when the cost of environmental policy - which is increasing in the concentration of emissions - and an immobile production factor act as centrifugal forces, while positive knowledge spillovers and...