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Has concentration evolved similarly in manufacturing and services? A sensitivity analysis

  • Jenifer Ruiz-Valenzuela


    (Faculty of Economics, University of Barcelona)

  • Rosina Moreno-Serrano


    (Faculty of Economics, University of Barcelona)

  • Esther Vaya-Valcarce


    (Faculty of Economics, University of Barcelona)

Our first objective is to compare the degree of concentration in manufacturing and services, with special emphasis on its evolution in these two sectors, using a sensitivity analysis for different concentration indices and different geographic units of analysis: municipalities and local labour systems of Catalonia in 1991 and 2001. Most concentration measures fail to consider the space in which a particular municipality is located. Our second objective is to overcome this problem by applying two different techniques: by using a clustering measure, and by analysing whether the location quotients computed for each municipality and sector present some kind of spatial autocorrelation process. We take special account of the differences in patterns of concentration according to the technological level of the sectors.

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Paper provided by University of Barcelona, Research Institute of Applied Economics in its series IREA Working Papers with number 200708.

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Length: 44 pages
Date of creation: Apr 2007
Date of revision: Apr 2007
Handle: RePEc:ira:wpaper:200708
Contact details of provider: Postal: Tinent Coronel Valenzuela, Num 1-11 08034 Barcelona
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  1. Marcel Fafchamps & Klaus Desmet, 2003. "Employment Concentration across US Counties," Economics Series Working Papers 180, University of Oxford, Department of Economics.
  2. Martin Hallet, 2000. "Regional specialisation and concentration in the EU," European Economy - Economic Papers 141, Directorate General Economic and Financial Affairs (DG ECFIN), European Commission.
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