Ottaviano, Gianmarco I. P.
Agglomeration, trade and selection.
Regional science and urban economics, 42
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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. However, whether it shifts the balance from agglomeration to dispersion or the other way round depends on its specific features along the two defining dimensions of diversity: 'richness' and 'evenness'. Accordingly, the role of firm heterogeneity in selection models of agglomeration can not be fully understood without paying due attention to various moments of the underlying firm productivity distribution.
||© 2012 Elsevier B.V.
||agglomeration, economic geography, heterogeneity, selection, trade
|Library of Congress subject classification:
||H Social Sciences > HB Economic Theory
H Social Sciences > HF Commerce
|Journal of Economic Literature Classification System:
||F - International Economics > F1 - Trade > F12 - Models of Trade with Imperfect Competition and Scale Economies
R - Urban, Rural, and Regional Economics > R1 - General Regional Economics > R11 - Regional Economic Activity: Growth, Development, and Changes
R - Urban, Rural, and Regional Economics > R1 - General Regional Economics > R12 - Size and Spatial Distributions of Regional Economic Activity; Interregional Trade
||Departments > Economics
Collections > Economists Online
Research centres and groups > Centre for Economic Performance (CEP)
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