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Obsolescence Vs modernization in a Schumpeterian vintage capital model

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  • Raouf Boucekkine
  • Fernando del Río
  • Omar Licandro

Abstract

In this paper, we build up a general equilibrium model explicitly incorporating Schumpeterian growth à la Aghion and Howitt (1992) and a vintage capital structure in line with Solow (1960). Technological progress is embodied. We show that the investment rate is a fundamental determinant of the profitability of R&D in contrast to the R&D based growth models with disembodied technical progress. We characterize the balanced growth paths and point at the possible existence of multiple equilibria due to the strategic complementarity between investment and R&D activities. More importantly, the embodiment hypothesis is shown to give rise to a precise modernization mechanism through investment and the average age of capital. The modernization effects of investment may well balance the typical obsolescence cost inherent to embodiment, a result that should be of interest in the current debate on the viability of the current information technology boom as a long run growth regime.

Suggested Citation

  • Raouf Boucekkine & Fernando del Río & Omar Licandro, "undated". "Obsolescence Vs modernization in a Schumpeterian vintage capital model," Working Papers 2000-27, FEDEA.
  • Handle: RePEc:fda:fdaddt:2000-27
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    References listed on IDEAS

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    8. Raouf Boucekkine & Fernando del Río & Omar Licandro, "undated". "The importance of the embodied question revisited," Working Papers 99-13, FEDEA.
    9. Hercowitz, Zvi, 1998. "The 'embodiment' controversy: A review essay," Journal of Monetary Economics, Elsevier, vol. 41(1), pages 217-224, February.
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    12. Howitt, Peter & Aghion, Philippe, 1998. "Capital Accumulation and Innovation as Complementary Factors in Long-Run Growth," Journal of Economic Growth, Springer, vol. 3(2), pages 111-130, June.
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