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Energy, complexity and sustainable long-term growth

Author

Listed:
  • Jean-François Fagnart

    (UCL IRES - Institut de recherches économiques et sociales - UCL - Université Catholique de Louvain = Catholic University of Louvain)

  • Marc Germain

    (EQUIPPE - Economie Quantitative, Intégration, Politiques Publiques et Econométrie - Université de Lille, Sciences et Technologies - Université de Lille, Sciences Humaines et Sociales - PRES Université Lille Nord de France - Université de Lille, Droit et Santé, LEM - Lille économie management - UMR 9221 - UA - Université d'Artois - UCL - Université catholique de Lille - Université de Lille - CNRS - Centre National de la Recherche Scientifique)

Abstract

We introduce the concept of product complexity in an endogenous growth model with renewable energy and expanding product variety à la Grossman and Helpman (1991). We describe the complexity of a product as an increasing function of the variety of inputs it consists of. Considering that energy is necessary to all human activities (including research), we highlight what type of long run growth path is possible according to (a) the potential of energy efficiency gains in the various human activities and (b) the effect of the product complexity on the energy intensiveness of its production process. In a finite world, a neoclassical growth path where economic growth can be both quantitative and non-quantitative (i.e. takes the form of an increase in the quantity of produced goods and in the product variety) is only possible if the potential of energy efficiency gains is unbounded in all human activities. If the energy intensiveness of the final production is bounded from below by a strictly positive constant, quantitative growth is not possible in the long run but non-quantitative growth may persist if (i) the impact of product complexity on the energy intensiveness of production is null or weak enough and (ii) the energy intensiveness of research activities tends to zero. If these conditions are not met, no form of long run growth is possible.

Suggested Citation

  • Jean-François Fagnart & Marc Germain, 2015. "Energy, complexity and sustainable long-term growth," Post-Print hal-01533558, HAL.
    • Handle: RePEc:hal:journl:hal-01533558
    DOI: 10.1016/j.mathsocsci.2015.02.002
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    Cited by:

    1. Richard Heinberg & Timothy Crownshaw, 2018. "Energy Decline and Authoritarianism," Biophysical Economics and Resource Quality, Springer, vol. 3(3), pages 1-11, September.
    2. Germain, Marc, 2019. "Georgescu-Roegen versus Solow/Stiglitz: Back to a controversy," Ecological Economics, Elsevier, vol. 160(C), pages 168-182.

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