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Directed technological change with costly investment and complementarities, and the skill premium

Author

Listed:
  • Elena Sochirca

    (Faculdade de Economia, Universidade do Porto)

  • Óscar Afonso

    (CEF.UP, OBEGEF, Faculdade de Economia, Universidade do Porto)

  • Pedro Mazeda Gil

    (CEFUP, Faculdade de Economia do Porto, Portugal)

Abstract

We develop an extended directed technological change model with R&D driven growth to analyze the growth rate, technological-knowledge bias, skill premium and industrial structure, assuming: (i) complementarities between intermediate goods in production, and (ii) internal costly investment. We find that complementarities directly affect equilibrium technological-knowledge bias, both elements influence equilibrium growth rate and neither affects skill premium and industrial structure. We also find that equilibrium skill premium is independent of relative labour endowments, being determined solely by workers' productivities, suggesting that the persisting increase in wage inequality observed in several developed countries over the last decades may have been due to increases in productivity advantages of skilled workers favoured by technological development.

Suggested Citation

  • Elena Sochirca & Óscar Afonso & Pedro Mazeda Gil, 2011. "Directed technological change with costly investment and complementarities, and the skill premium," FEP Working Papers 401, Universidade do Porto, Faculdade de Economia do Porto.
    • Handle: RePEc:por:fepwps:401
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    References listed on IDEAS

    as
    1. Patrick Francois & Huw Lloyd-Ellis, 2009. "Schumpeterian Business Cycles with Pro-Cyclical R&D," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics, vol. 12(4), pages 567-591, October.
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    Cited by:

    1. Pedro Mazeda Gil & Oscar Afonso & Paulo Brito, 2012. "Scale Effects, Relative Supply of Skills, Industrial Structure and Endogenous Growth," DEGIT Conference Papers c017_028, DEGIT, Dynamics, Economic Growth, and International Trade.
    2. Gil, Pedro Mazeda & Gabriel, Susana & Afonso, Oscar, 2020. "Is the skills mismatch important under skill-biased technological change and imperfect substitutability between immigrants and natives?," Economic Modelling, Elsevier, vol. 84(C), pages 38-54.
    3. Gil, Pedro Mazeda & Afonso, Oscar & Brito, Paulo, 2019. "Economic growth, the high-tech sector, and the high skilled: Theory and quantitative implications," Structural Change and Economic Dynamics, Elsevier, vol. 51(C), pages 89-105.
    4. Pedro Mazeda Gil & Oscar Afonso & Paulo B. Vasconcelos, 2015. "Skill-Structure Shocks, the Share of the High-Tech Sector and Economic Growth Dynamics," FEP Working Papers 554, Universidade do Porto, Faculdade de Economia do Porto.

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    More about this item

    Keywords

    technological-knowledge bias; skill premium; complementarities; costly investment; vertical and horizontal R&D;
    All these keywords.

    JEL classification:

    • J31 - Labor and Demographic Economics - - Wages, Compensation, and Labor Costs - - - Wage Level and Structure; Wage Differentials
    • O31 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - Innovation and Invention: Processes and Incentives
    • O33 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - Technological Change: Choices and Consequences; Diffusion Processes
    • O41 - Economic Development, Innovation, Technological Change, and Growth - - Economic Growth and Aggregate Productivity - - - One, Two, and Multisector Growth Models

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