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The 'genome' of NEG models with vertical linkages: a positive and normative synthesis

Robert-Nicoud, Frédéric and Ottaviano, Gianmarco I P. (2006) The 'genome' of NEG models with vertical linkages: a positive and normative synthesis. Journal of Economic Geography, 6 (2). pp. 113-139. ISSN 1468-2702

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Identification Number: 10.1093/jeg/lbh070

Abstract

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 simulations. Second, it proposes an analytically solvable model of this class. Third, it addresses the important though neglected issue of whether in such models market forces yield too much or too little agglomeration. It shows that, in terms of positive implications, vertical-linkage models are identical to migration models once considered in their ‘natural’ state space. Important differences arise, however, in terms of normative implications in the absence of interregional transfers: in migration models agglomeration is necessarily bad for people stuck in lagging regions; in the vertical-linkage models it can be good for everybody as it delivers richer product variety.

Item Type: Article
Official URL: http://joeg.oxfordjournals.org/
Additional Information: © 2006 Oxford University Press
Subjects: H Social Sciences > HF Commerce
JEL classification: F - International Economics > F1 - Trade > F12 - Models of Trade with Imperfect Competition and Scale Economies
F - International Economics > F1 - Trade > F15 - Economic Integration
F - International Economics > F2 - International Factor Movements and International Business > F21 - International Investment; Long-Term Capital Movements
R - Urban, Rural, and Regional Economics > R1 - General Regional Economics > R12 - Size and Spatial Distributions of Regional Economic Activity; Interregional Trade
Sets: Departments > Geography and Environment
Collections > Economists Online
Research centres and groups > Centre for Economic Performance (CEP)
Date Deposited: 12 Aug 2008 13:03
Last Modified: 16 Nov 2011 14:24
URI: http://eprints.lse.ac.uk/id/eprint/16018

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