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U-shaped Paths of Consumption and Physical Capital in Lucas-type Growth Models

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  • Farhad Nili

    (Keele University, Department of Economics)

Abstract

This paper considers transitional dynamics of consumption and physical capital in Lucas-type growth models. We find that when the ratio of physical to human capital is sufficiently high, it is optimal for both consumption and physical capital to fall for a finite period and then rise along their transition paths. Endogenous growth models may therefore not be able to generate a sustainable path of development when the steady state coexists with the transitional dynamics. According to the extent of consumption smoothing, we characterize the stages of transition in three different growth regimes. Particularly in the normal and paradoxical cases, dynamics of the Lucas model is contrasted with that of Ramsey.

Suggested Citation

  • Farhad Nili, 2002. "U-shaped Paths of Consumption and Physical Capital in Lucas-type Growth Models," Keele Economics Research Papers KERP 2002/08, Centre for Economic Research, Keele University.
    • Handle: RePEc:kee:kerpuk:2002/08
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    References listed on IDEAS

    as
    1. Lutz G. Arnold, 2000. "Endogenous technological change: a note on stability," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 16(1), pages 219-226.
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    More about this item

    Keywords

    Lucas growth model; transitional dynamics; physical to human capital ratio; sustainability;
    All these keywords.

    JEL classification:

    • O41 - Economic Development, Innovation, Technological Change, and Growth - - Economic Growth and Aggregate Productivity - - - One, Two, and Multisector Growth Models

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