Heterogeneous Firms, Agglomeration and Economic Geography: Selection and Sorting
AbstractA Melitz-style model of monopolistic competition with heterogeneous firms is integrated into a simple NEG model to show that the standard assumption of identical firms is neither necessary nor innocuous. We show that re-locating to the big region is most attractive for the most productivity firms; this implies interesting results for empirical work and policy analysis. A ‘selection effect’ means standard empirical measures overestimate agglomeration economies. A ‘sorting effect’ means that a regional policy induces the highest productivity firms to move to the core while the lowest productivity firms to move to the periphery. We also show that heterogeneity dampens the home market effect.
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Bibliographic InfoPaper provided by C.E.P.R. Discussion Papers in its series CEPR Discussion Papers with number 4602.
Date of creation: Sep 2004
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- H32 - Public Economics - - Fiscal Policies and Behavior of Economic Agents - - - Firm
- P16 - Economic Systems - - Capitalist Systems - - - Political Economy of Capitalism
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- NEP-ALL-2005-02-13 (All new papers)
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