We extend the model by Krugman (1980) to a multi-country set-up and show that the ‘home-market effect’ highlighted with two countries does not readily extend to such a general setting. In particular, we prove that the most important result, namely the disproportionate causation from demand...

This paper studies how firm heterogeneity in terms of productivity affects the balance between agglomeration and dispersion forces in the presence of pecuniary externalities through a selection model of monopolistic competition with endogenous markups. It shows that firm heterogeneity matters....