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Welfare Gains From Stabilization In A Stochastically Growing Economy With Idiosyncratic Shocks And Flexible Labor Supply

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  • TURNOVSKY, STEPHEN J.
  • BIANCONI, MARCELO

Abstract

Stochastic models with economywide shocks imply that the welfare costs of aggregate volatility are negligible. Empirical evidence suggests that the volatility of idiosyncratic shocks is several times that of aggregate shocks. This paper introduces both types of shocks. We find that if in the process of eliminating aggregate risk the policymaker can reduce idiosyncratic risk by an amount suggested by available empirical evidence, the welfare gains from stabilization can become significant. The introduction of idiosyncratic risk has important implications for asset pricing, and in particular may reduce the risk-free rate substantially, through the precautionary savings motive. Many of our results are sensitive both to the degree of risk aversion and to the flexibility of labor supply. The paper highlights the trade-offs involved in analyzing the effects of risk on growth and welfare and on asset pricing, clarifying the need to examine these issues within a unified stochastic general equilibrium framework.

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Bibliographic Info

Article provided by Cambridge University Press in its journal Macroeconomic Dynamics.

Volume (Year): 9 (2005)
Issue (Month): 03 (June)
Pages: 321-357

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Handle: RePEc:cup:macdyn:v:9:y:2005:i:03:p:321-357_04

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Cited by:
  1. Gadi Barlevy, 2005. "The cost of business cycles and the benefits of stabilization," Economic Perspectives, Federal Reserve Bank of Chicago, issue Q I, pages 32-49.
  2. Olaf Posch, 2009. "Risk premia in general equilibrium," CREATES Research Papers 2009-58, School of Economics and Management, University of Aarhus.
  3. Wälde, Klaus, 2011. "Production technologies in stochastic continuous time models," Journal of Economic Dynamics and Control, Elsevier, vol. 35(4), pages 616-622, April.
  4. Gadi Barlevy, 2004. "The Cost of Business Cycles and the Benefits of Stabilization: A Survey," NBER Working Papers 10926, National Bureau of Economic Research, Inc.

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