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Dualism and Macroeconomic Volatility

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  • 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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File URL: http://dash.harvard.edu/bitstream/handle/1/4554124/aghion_dualism.pdf
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Bibliographic Info

Paper provided by Harvard University Department of Economics in its series Scholarly Articles with number 4554124.

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Date of creation: 1999
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Publication status: Published in Quarterly Journal of Economics
Handle: RePEc:hrv:faseco:4554124

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  1. Oded Galor & Joseph Zeira, 2013. "Income Distribution and Macroeconomics," Working Papers 2013-12, Brown University, Department of Economics.
  2. Bernanke, Ben S. & Gertler, Mark & Gilchrist, Simon, 1999. "The financial accelerator in a quantitative business cycle framework," Handbook of Macroeconomics, in: J. B. Taylor & M. Woodford (ed.), Handbook of Macroeconomics, edition 1, volume 1, chapter 21, pages 1341-1393 Elsevier.
  3. Martin Feldstein & Charles Horioka, 1979. "Domestic Savings and International Capital Flows," NBER Working Papers 0310, National Bureau of Economic Research, Inc.
  4. Xavier Freixas & Jean-Charles Rochet, 1997. "Microeconomics of Banking," MIT Press Books, The MIT Press, edition 1, volume 1, number 0262061937.
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