In this paper we study two closely related issues. First, the role of technology heterogeneity and diffusion in the convergence of GDP per worker observed across the European regions, in the absence of data on regional TFP. Second, the spatial pattern of the observed regional heterogeneity in...

We analyse a world economy composed of a continuum of small countries producing two final goods, the learning-by-doing potentials of which differ significantly. In autarchy, the knowledge accumulated in the high-learning sector spills over into the low-learning one. A steady-state equilibrium...