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The Volatility Trap; Precautionary Saving, Investment, and Aggregate Risk

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  • Reda Cherif
  • Fuad Hasanov

Abstract

We study the effects of permanent and temporary income shocks on precautionary saving and investment in a "store-or-sow" model of growth. High volatility of permanent shocks results in high precautionary saving in the safe asset and low investment, or a "volatility trap." Namely, big savers invest relatively little. In contrast, low volatility of permanent shocks leads to low precautionary saving and high or low investment, depending on the volatility of temporary shocks. Empirical evidence shows a nonlinear relationship between investment and saving and that investment is a hump-shaped function of the volatility of permanent shocks, as predicted by the model.

Suggested Citation

  • Reda Cherif & Fuad Hasanov, 2012. "The Volatility Trap; Precautionary Saving, Investment, and Aggregate Risk," IMF Working Papers 2012/134, International Monetary Fund.
  • Handle: RePEc:imf:imfwpa:2012/134
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    8. Borensztein, Eduardo & Jeanne, Olivier & Sandri, Damiano, 2013. "Macro-hedging for commodity exporters," Journal of Development Economics, Elsevier, vol. 101(C), pages 105-116.
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    1. Cherif, Reda & Hasanov, Fuad, 2013. "Oil Exporters’ Dilemma: How Much to Save and How Much to Invest," World Development, Elsevier, vol. 52(C), pages 120-131.
    2. Mohey-ud-din, Ghulam & Siddiqi, Muhammad Wasif, 2013. "GDP Fluctuations and Private Investment: A Macro Panel Analysis of Selected South Asian Countries," MPRA Paper 60231, University Library of Munich, Germany, revised 15 Jun 2014.
    3. Araujo, Juliana D. & Li, Bin Grace & Poplawski-Ribeiro, Marcos & Zanna, Luis-Felipe, 2016. "Current account norms in natural resource rich and capital scarce economies," Journal of Development Economics, Elsevier, vol. 120(C), pages 144-156.
    4. Karim Barhoumi & Reda Cherif & Nooman Rebei, 2016. "Stochastic Trends, Debt Sustainability and Fiscal Policy," IMF Working Papers 2016/059, International Monetary Fund.
    5. Barhoumi, Karim & Cherif, Reda & Rebei, Nooman, 2018. "Stochastic trends and fiscal policy," Economic Modelling, Elsevier, vol. 75(C), pages 256-267.

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