This paper takes a broader look at how vertical linkages can trigger the spatial agglomeration of economic activity in a 'new economic geography' (NEG) set-up. First, it formally establishes the key positive features of a wide class of vertical-linkage models without resorting to numerical...

This paper shows that the mathematical structure of the most widely used New Economic Geography models is identical, irrespective of the underlying agglomeration mechanism assumed (factor migration, input-output linkages, endogenous capital accumulation). This enables us to provide analytical...