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Dualism and macroeconomic volatility

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Author Info

  • Piketty, Thomas
  • Banerjee, Abhijit
  • Aghion, Philippe

Abstract

This paper develops a simple macroeconomic model that shows that combining capital market imperfections together with unequal access to investment opportunities across individuals can generate endogenous and permanent fluctuations in aggregate GDP, investment, and interest rates. Reducing inequality of access may be a necessary condition for macroeconomic stabilization. Moreover, countercyclical fiscal policies have a role to play: in our model savings are underutilized in slumps because of the limited debt capacity of potential investors. Therefore, the government should issue public debt during recessions in order to absorb those idle savings and finance investment subsidies or tax cuts for investors.

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Bibliographic Info

Paper provided by CEPREMAP in its series CEPREMAP Working Papers (Couverture Orange) with number 9720.

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Length: 46 pages
Date of creation: 1997
Date of revision:
Handle: RePEc:cpm:cepmap:9720

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  1. Martin Feldstein & Charles Horioka, 1979. "Domestic Savings and International Capital Flows," NBER Working Papers 0310, National Bureau of Economic Research, Inc.
  2. Galor, Oded & Zeira, Joseph, 1993. "Income Distribution and Macroeconomics," Review of Economic Studies, Wiley Blackwell, vol. 60(1), pages 35-52, January.
  3. Xavier Freixas & Jean-Charles Rochet, 1997. "Microeconomics of Banking," MIT Press Books, The MIT Press, edition 1, volume 1, number 0262061937, January.
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