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Optimal endowments of public investment: an empirical analysis for the Spanish regions

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  • Bajo-Rubio, Oscar

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  • Diaz-Roldan, Carmen

    ()

  • Montavez-Garces, M. Dolores

    ()

Abstract

Following Aschauer's (1989) influential contribution, the role of public investment has been stressed as a crucial factor leading to higher private capital productivity, which would lead in turn to higher growth rates. According to this author, the decline in productivity growth experienced by the US economy during the seventies, would explained to a great extent by the decrease in the provision of public infrastructures during that period. In this way, the next years have witnessed the appearance of a great amount of empirical literature that analysed the impact of public investment on economic growth. Although the first empirical studies made use of aggregate time series for countries, this approach has been also extended to a regional framework using panel data, obtaining results that were quantitatively lower than those found with aggregate data. The reason would be the spillover effects related to the regional endowments of public capital, whose effect would extend not only the own region, but also to the neighbouring regions. In any case, public infrastructure seems to play an important role in the growth process of regions that should not be neglected. On the other hand, the issue of the optimal endowments of public infrastructure has been hardly discussed. In a recent paper, Karras (1997) has developed a simple condition to assess whether public capital is optimally provided, namely, whether the marginal productivities of both private and public capital are equal or not. By estimating a simple growth equation for fifteen European countries during the period 1960-1992, he is unable to reject the null hypothesis that the marginal productivities of private and public capital are equal, so that government investment would be neither underprovided nor overprovided in the fifteen countries of his sample. In this paper we try to address this issue (i.e., whether the endowments of public investment are optimal or not) in a regional framework, using Spanish data for the period 1967-91. Unlike Karras (1997), who assumes that the production function exhibits constant returns to scale in all factors, we are able to generalise his condition without the need of this constraint. On the other hand, the Spanish economy can provide an interesting case of study, since it has experienced a sustained period of growth in the last forty years, which has been accompanied by a strong process of structural change. In particular, the establishment of new regional governments after the restoration of democracy in 1977, coupled with the strong increase experienced by public investment since them, are all of them elements that can justify the interest of the Spanish case for the objectives of this paper. Therefore, in this paper we will first derive the theoretical condition under which public capital would be optimally provided, and then we will provide an empirical application of the model, for the case of the Spanish regions during the period 1965-1995.

Suggested Citation

  • Bajo-Rubio, Oscar & Diaz-Roldan, Carmen & Montavez-Garces, M. Dolores, 2002. "Optimal endowments of public investment: an empirical analysis for the Spanish regions," ERSA conference papers ersa02p214, European Regional Science Association.
  • Handle: RePEc:wiw:wiwrsa:ersa02p214
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    References listed on IDEAS

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    1. Aschauer, David Alan, 1989. "Is public expenditure productive?," Journal of Monetary Economics, Elsevier, vol. 23(2), pages 177-200, March.
    2. de la Fuente, Angel, 2002. "On the sources of convergence: A close look at the Spanish regions," European Economic Review, Elsevier, vol. 46(3), pages 569-599, March.
    3. Karras, Georgios, 1997. "Is Government Investment Underprovided in Europe? Evidence from a Panel of Fifteen Countries," Economia Internazionale / International Economics, Camera di Commercio Industria Artigianato Agricoltura di Genova, vol. 50(2), pages 223-235.
    4. Jan-Egbert Sturm & Gerard H. Kuper & Jakob de Haan, 1996. "Modelling government investment and economic growth at the macro level: A review," Working Papers 29, Centre for Economic Research, University of Groningen and University of Twente.
    5. Berndt, Ernst R & Hansson, Bengt, 1992. " Measuring the Contribution of Public Infrastructure Capital in Sweden," Scandinavian Journal of Economics, Wiley Blackwell, vol. 94(0), pages 151-168, Supplemen.
    6. Carmela Martin & Francisco J. Velazquez., 2001. "An Assessment of Real Convergence of Less Developed EU Members: Lessons for the CEEC Candidates," European Economy Group Working Papers 5, European Economy Group.
    7. Óscar Bajo Rubio & Carmen Díaz Roldán & M.a Dolores Montávez Garcés, "undated". "Fiscal Policy And Growth Revisited: The Case Of The Spanish Regions," Working Papers 19-02 Classification-JEL , Instituto de Estudios Fiscales.
    8. Matilde Mas & Joaquin Maudos & Francisco Perez & Ezequiel Uriel, 1996. "Infrastructures and Productivity in the Spanish Regions," Regional Studies, Taylor & Francis Journals, vol. 30(7), pages 641-649.
    9. Berndt, Ernst & Hansson, Bengt, 1992. "Measuring the Contribution of Capital in Sweden," Working Paper Series 365, Research Institute of Industrial Economics.
    10. Juan R. Cuadrado-Roura & Begoña García-Greciano & José Luis Raymond, 1999. "Regional Convergence in Productivity and Productive Structure: The Spanish Case," International Regional Science Review, , vol. 22(1), pages 35-53, April.
    11. Holtz-Eakin, Douglas, 1994. "Public-Sector Capital and the Productivity Puzzle," The Review of Economics and Statistics, MIT Press, vol. 76(1), pages 12-21, February.
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    Cited by:

    1. Jaime Alonso-Carrera & María Jesús Freire-Serén & Baltasar Manzano, 2004. "Rentabilidad social de la inversión pública española en infraestructuras," Hacienda Pública Española, IEF, vol. 170(3), pages 81-103, september.
    2. Fedderke, J.W. & Bogetic, Z., 2009. "Infrastructure and Growth in South Africa: Direct and Indirect Productivity Impacts of 19 Infrastructure Measures," World Development, Elsevier, vol. 37(9), pages 1522-1539, September.
    3. Oscar Bajo-Rubio & Carmen Diaz-Mora & Carmen Diaz-Roldan, 2010. "Foreign Direct Investment and Regional Growth: An Analysis of the Spanish Case," Regional Studies, Taylor & Francis Journals, vol. 44(3), pages 373-382.
    4. Palakiyèm Kpemoua, 2016. "Analyse de l'impact des infrastructures de transport sur la croissance économique du Togo," Working Papers hal-01389698, HAL.
    5. Boopen Seetanah, 2011. "Optimal endowments of transport investment: an empirical analysis for mauritius," Empirical Economics, Springer, vol. 40(3), pages 827-838, May.
    6. Miguel Márquez & Julián Ramajo & Geoffrey Hewings, 2010. "A spatio-temporal econometric model of regional growth in Spain," Journal of Geographical Systems, Springer, vol. 12(2), pages 207-226, June.
    7. Antonio Morales & Pablo Brañas Garza, 2003. "Computational Errors in Guessing Games1," Economic Working Papers at Centro de Estudios Andaluces E2003/11, Centro de Estudios Andaluces.
    8. Carmen Díaz Roldán & Diego Martínez-López, 2005. "Inversión pública y crecimiento económico. Una revisión crítica con propuesta de futuro," Economic Working Papers at Centro de Estudios Andaluces E2005/10, Centro de Estudios Andaluces.
    9. Nikos Benos & Nikolaos Mylonidis & Stefania Zotou, 2017. "Estimating production functions for the US states: the role of public and human capital," Empirical Economics, Springer, vol. 52(2), pages 691-721, March.

    More about this item

    JEL classification:

    • E62 - Macroeconomics and Monetary Economics - - Macroeconomic Policy, Macroeconomic Aspects of Public Finance, and General Outlook - - - Fiscal Policy
    • H54 - Public Economics - - National Government Expenditures and Related Policies - - - Infrastructures
    • O40 - Economic Development, Innovation, Technological Change, and Growth - - Economic Growth and Aggregate Productivity - - - General

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