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Savings and growth in neoclassical growth models: A comment on “Is Piketty’s “second law of capitalism” fundamental?”

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  • Alvarez-Cuadrado, Fracisco

Abstract

This note explores the response of saving rates to the rate of income growth in models of optimal growth. Contrary to the claims in Krusell and Smith (2015) the sign of this response depends on the consumption intertemporal elasticity of substitution.

Suggested Citation

  • Alvarez-Cuadrado, Fracisco, 2019. "Savings and growth in neoclassical growth models: A comment on “Is Piketty’s “second law of capitalism” fundamental?”," Economics Letters, Elsevier, vol. 174(C), pages 128-131.
    • Handle: RePEc:eee:ecolet:v:174:y:2019:i:c:p:128-131
    DOI: 10.1016/j.econlet.2018.11.010
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    References listed on IDEAS

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    1. Motohiro Yogo, 2004. "Estimating the Elasticity of Intertemporal Substitution When Instruments Are Weak," The Review of Economics and Statistics, MIT Press, vol. 86(3), pages 797-810, August.
    2. Guvenen, Fatih, 2006. "Reconciling conflicting evidence on the elasticity of intertemporal substitution: A macroeconomic perspective," Journal of Monetary Economics, Elsevier, vol. 53(7), pages 1451-1472, October.
    3. Jody Overland & Christopher D. Carroll & David N. Weil, 2000. "Saving and Growth with Habit Formation," American Economic Review, American Economic Association, vol. 90(3), pages 341-355, June.
    4. Mankiw, N. Gregory & Zeldes, Stephen P., 1991. "The consumption of stockholders and nonstockholders," Journal of Financial Economics, Elsevier, vol. 29(1), pages 97-112, March.
    5. Thomas Piketty & Gabriel Zucman, 2014. "Capital is Back: Wealth-Income Ratios in Rich Countries 1700–2010," The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 129(3), pages 1255-1310.
    6. Hall, Robert E, 1988. "Intertemporal Substitution in Consumption," Journal of Political Economy, University of Chicago Press, vol. 96(2), pages 339-357, April.
    7. Carroll, Daniel R. & Young, Eric R., 2018. "Neoclassical inequality," Journal of Macroeconomics, Elsevier, vol. 57(C), pages 83-109.
    8. David Cashin & Takashi Unayama, 2016. "Measuring Intertemporal Substitution in Consumption: Evidence from a VAT Increase in Japan," The Review of Economics and Statistics, MIT Press, vol. 98(2), pages 285-297, May.
    9. Annette Vissing-Jorgensen, 2002. "Limited Asset Market Participation and the Elasticity of Intertemporal Substitution," Journal of Political Economy, University of Chicago Press, vol. 110(4), pages 825-853, August.
    10. Masao Ogaki & Carmen M. Reinhart, 1998. "Measuring Intertemporal Substitution: The Role of Durable Goods," Journal of Political Economy, University of Chicago Press, vol. 106(5), pages 1078-1098, October.
    11. Per Krusell & Anthony A. Smith Jr., 2015. "Is Piketty's "Second Law of Capitalism" Fundamental?," Journal of Political Economy, University of Chicago Press, vol. 123(4), pages 725-748.
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    Cited by:

    1. Karstoft, Jon Egeris & Whitta-Jacobsen, Hans Jørgen, 2023. "How do wealth–income ratios react to slowing growth in the long run? On Piketty’s second fundamental law of capitalism," European Economic Review, Elsevier, vol. 156(C).

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    More about this item

    Keywords

    Saving; Optimal growth;

    JEL classification:

    • O4 - Economic Development, Innovation, Technological Change, and Growth - - Economic Growth and Aggregate Productivity
    • E21 - Macroeconomics and Monetary Economics - - Consumption, Saving, Production, Employment, and Investment - - - Consumption; Saving; Wealth

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