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Leapfrogging, Growth Reversals and Welfare

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  • Raouf Boucekkine

    ()
    (GREQAM - Groupement de Recherche en Économie Quantitative d'Aix-Marseille - Université de la Méditerranée - Aix-Marseille II - Université Paul Cézanne - Aix-Marseille III - Ecole des Hautes Etudes en Sciences Sociales (EHESS) - CNRS : UMR6579)

  • Giorgio Fabbri

    ()
    (Dipartimento Matematica e statistica - Université de Naples)

  • Patrick-Antoine Pintus

    ()
    (GREQAM - Groupement de Recherche en Économie Quantitative d'Aix-Marseille - Université de la Méditerranée - Aix-Marseille II - Université Paul Cézanne - Aix-Marseille III - Ecole des Hautes Etudes en Sciences Sociales (EHESS) - CNRS : UMR6579)

Abstract

We show that leapfrogging and growth reversals entail sizeable welfare gains and losses, respectively, in an AK economy that cannot credibly commit to investment when borrowing from international financial markets. Small no-commitment delays originate a trade-off that has an ambiguous effect on welfare: they reduce the long-run consumption growth rate but increase the initial level of consumption that is optimally chosen. Essentially, the larger the delay, the tighter the borrowing constraint and the weaker the incentives to accumulate capital, so that smaller growth and larger initial consumption follow. We show under logarithmic utility and small delays that the short-run effect dominates the long-run effect and that welfare improves, provided that the economy has historically been growing fast enough, and numerical examples suggest that this benchmark result extends to CRRA utility. When relative risk aversion is larger than one, it follows that there exists a positive welfare-maximizing delay associated with slower growth relative to the no-delay case. We then apply our results to show that leapfrogging in consumption level typically imply large welfare gains. In contrast, growth reversals occur for large delays and lead to significant welfare losses. Finally, financial integration, as measured by the credit multiplier given the no-commitment delay, is welfare-improving only for economies that have historically been growing fast enough.

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Bibliographic Info

Paper provided by HAL in its series Working Papers with number halshs-00576743.

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Date of creation: 15 Mar 2011
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Handle: RePEc:hal:wpaper:halshs-00576743

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Keywords: Growth Reversals; Leapfrogging; International Borrowing; Open Economies; Welfare;

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  1. Romain Ranciere & Aaron Tornell & Frank Westermann, 2002. "Systemic Crises and Growth," Working Papers 190, Barcelona Graduate School of Economics.
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Cited by:
  1. Raouf Boucekkine & Aude Pommeret & Fabien Prieur, 2012. "On the Timing and Optimality of Capital Controls: Public Expenditures, Debt Dynamics and Welfare," Working Papers 12-15, LAMETA, Universtiy of Montpellier, revised May 2012.
  2. Raouf Boucekkine & Giorgio Fabbri & Patrick Pintus, 2012. "Short-Run Pain, Long-Run Gain: The Conditional Welfare Gains from International Financial Integration The Conditional Welfare Gains from International Financial Integration," AMSE Working Papers 1202, Aix-Marseille School of Economics, Marseille, France, revised 12 Feb 2012.
  3. Raouf Boucekkine & Patrick Pintus, 2012. "History’s a curse: leapfrogging, growth breaks and growth reversals under international borrowing without commitment," Journal of Economic Growth, Springer, vol. 17(1), pages 27-47, March.

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