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The Time Augmented Cobb-Douglas Production Function

Author

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  • Lenka Roubalová

    (Department of Statistics and Operation Analysis, Faculty of Business and Economics, Mendel University in Brno, Zemědělská 1, 613 00 Brno, Czech Republic)

  • Lenka Viskotová

    (Department of Statistics and Operation Analysis, Faculty of Business and Economics, Mendel University in Brno, Zemědělská 1, 613 00 Brno, Czech Republic)

Abstract

The main objective of this paper is to propose and verify a time augmentation of the Cobb-Douglas production function parameters which should be able to capture changing conditions over time. The parameters are estimated via the nonlinear least squares method. As data a time series including production and its sources, labour and capital, in the construction industries of six Central European countries for the period 1995-2015 is used. Our results, based on calculation of R2 and Theil's U, prove that the models containing the time augmented parameters are better than the basic one. Also a verification of evaluated models using the economic reality for each country is given. In addition to the superiority of the time augmented models, these are applicable to distinguish the specifics of the development of productivity in individual countries.

Suggested Citation

  • Lenka Roubalová & Lenka Viskotová, 2019. "The Time Augmented Cobb-Douglas Production Function," Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, Mendel University Press, vol. 67(5), pages 1347-1356.
    • Handle: RePEc:mup:actaun:actaun_2019067051347
    DOI: 10.11118/actaun201967051347
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