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Dynamic Externalities, Local Industrial Structure and Economic Development: Panel Data Evidence for Morocco

  • Maurice J. G. Bun
  • Abderrahman El Makhloufi

Bun M. J. G. and El Makhloufi A. (2007) Dynamic externalities, local industrial structure and economic development: panel data evidence for Morocco, Regional Studies 41, 823-837. The impact of industrial structure on local economic development is analysed for the case of Morocco. Using annual data for six urban areas and 18 industrial sectors indicators for specialization, diversity and competition of firms within a particular region are constructed for the years 1985-1995. The effects of these and other explanatory variables on local economic activity are estimated using a dynamic panel data model with both individual and time-specific effects. The estimation results suggest significant positive specialization and diversity effects and significant negative competition effects asserting the importance of industrial structure for local economic development. The empirical evidence is robust to the measure of economic activity used in the analysis, i.e. either employment or value added. A similar analysis is conducted restricting the space to the region of Casablanca. Using data on seven districts and 18 sectors for the period 1992-1995 again significant externalities are found within this specific region. Bun M. J. G. et El Makhloufi A. (2007) Les effets externes dynamiques, la structure industrielle locale et le developpement economique: des donnees permanentes pour le Maroc, Regional Studies 41, 823-837. Cet article cherche a analyser l'impact de la structure industrielle sur le developement economique local au Maroc. A partir des donnees annuelles aupres de 6 zones urbaines et 18 secteurs industriels, on construit des indicateurs de specialisation, de diversite et de competition pour les entreprises situees au sein d'une region donnee entre 1985 et 1995. Employant un modele dynamique fonde sur des donnees permanentes et dote des effets individuels et decales dans le temps, on estime l'impact de ces variables-la et des autres variables explicatives sur l'activite economique locale. Les estimations laissent supposer d'importants effets de specialisation et de diversite positifs et d'importants effets de competition negatifs, ce qui affirme le role cle de la structure industrielle pour ce qui est du developpement economique local. Les preuves empiriques confirment la mesure de l'activite economique employee dans cette analyse; a savoir, soit l'emploi, soit la valeur ajoutee. Une analyse similaire est faite en limitant l'espace a la region de Casablanca. A partir des donnees aupres de 7 districts et de 18 secteurs entre 1992 et 1995, il s'avere d'importants effets externes au sein de cette region ainsi delimitee. Effets externes dynamiques Modele dynamique fonde sur des donneespermanentes Structure industrielle locale Developpement economique regional Bun M. J. G. und El Makhloufi A. (2007) Dynamische Externalitaten, lokale Industriestruktur und Wirtschaftsentwicklung: Paneldata-Belege fur Marokko, Regional Studies 41, 823-837. Die Auswirkung der industriellen Struktur auf die lokale Wirtschaftsentwicklung wird fur den Fall von Marokko analysiert. Mit Hilfe der Jahresdaten fur 6 Stadtgebiete und 18 Industriesektoren werden Indikatoren fur Spezialisierung, Diversitat und Wettbewerb von Firmen innerhalb einer bestimmten Region im Zeitraum von 1985 bis 1995 entwickelt. Anschliessend werden die Auswirkungen dieser und weiterer erlauternder Variablen auf die lokale Wirtschaftsaktivitat mit Hilfe eines dynamischen Paneldaten-Modells mit sowohl individuellen als auch zeitspezifischen Auswirkungen abgeschatzt. Die Ergebnisse dieser Schatzungen legen signifikante positive Spezialisierungs- und Diversitatseffekte sowie signifikante negative Wettbewerbseffekte nahe und bekraftigen die Bedeutung der industriellen Struktur fur die lokale Wirtschaftsentwicklung. Die empirischen Belege sind hinsichtlich der fur die Analyse herangezogenen Wirtschaftsaktivitat (d.�h. in Bezug auf Beschaftigungsniveau oder Wertschopfung) robust. Eine ahnliche Analyse wird auf den Raum der Region Casablanca begrenzt durchgefuhrt. Mit Hilfe der Daten von 7 Bezirken und 18 Sektoren werden innerhalb dieser konkreten Region fur den Zeitraum von 1992 bis 1995 erneut signifikante Externalitaten festgestellt. Dynamische Externalitaten Dynamisches Paneldaten-Modell Lokale Industriestruktur Regionale Wirtschaftsentwicklung Bun M. J. G. y El Makhloufi A. (2007) Efectos externos dinamicos, estructura industrial local y desarrollo economico: evidencia de datos de un panel para Marruecos, Regional Studies 41, 823-837. En este articulo analizamos cual es la estructura industrial de desarrollo economico local en regiones de Marruecos. Con ayuda de datos anuales de 6 areas urbanas y 18 sectores industriales, analizamos cuales son los indicadores de especializacion, diversidad y competicion empresariales en una region determinada durante el periodo de 1985 a 1995. Calculamos los efectos de estas y otras variables explicativas sobre la actividad economica a nivel local mediante un modelo de datos de panel dinamico con efectos especificos y temporales. Los resultados de esta estimacion indican que existen significativos efectos positivos de especializacion y de diversidad asi como efectos negativos de competicion lo que senala la importancia de la estructura industrial para el desarrollo economico local. La evidencia empirica es contundente en la medicion de la actividad economica que utilizamos en el analisis, es decir, el empleo o el valor anadido. Llevamos a cabo un analisis similar pero limitando el espacio a la region de Casablanca. Con ayuda de datos de 7 distritos y 18 sectores para el periodo de 1992 a 1995, observamos de nuevo efectos externos significativos en esta region concreta. Efectos externos dinamicos Modelo de datos de panel dinamico Estructura industrial local Desarrollo economico regional

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Article provided by Taylor & Francis Journals in its journal Regional Studies.

Volume (Year): 41 (2007)
Issue (Month): 6 ()
Pages: 823-837

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Handle: RePEc:taf:regstd:v:41:y:2007:i:6:p:823-837
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  1. Henderson, Vernon, 1997. "Externalities and Industrial Development," Journal of Urban Economics, Elsevier, vol. 42(3), pages 449-470, November.
  2. Blundell, R. & Bond, S., 1995. "Initial Conditions and Moment Restrictions in Dynamic Panel Data Models," Economics Papers 104, Economics Group, Nuffield College, University of Oxford.
  3. Henderson, Vernon & Kuncoro, Ari & Turner, Matt, 1995. "Industrial Development in Cities," Journal of Political Economy, University of Chicago Press, vol. 103(5), pages 1067-90, October.
  4. Glaeser, Edward Ludwig & Kallal, Hedi D. & Scheinkman, Jose A. & Shleifer, Andrei, 1992. "Growth in Cities," Scholarly Articles 3451309, Harvard University Department of Economics.
  5. de Lucio, Juan J. & Herce, Jose A. & Goicolea, Ana, 2002. "The effects of externalities on productivity growth in Spanish industry," Regional Science and Urban Economics, Elsevier, vol. 32(2), pages 241-258, March.
  6. repec:oup:restud:v:58:y:1991:i:2:p:277-97 is not listed on IDEAS
  7. Arellano, Manuel & Bover, Olympia, 1995. "Another look at the instrumental variable estimation of error-components models," Journal of Econometrics, Elsevier, vol. 68(1), pages 29-51, July.
  8. Romer, Paul M, 1986. "Increasing Returns and Long-run Growth," Journal of Political Economy, University of Chicago Press, vol. 94(5), pages 1002-37, October.
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