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On Expectations-Driven Business Cycles in Economies with Production Externalities: A Comment

  • Guo, Jang-Ting
  • Sirbu, Anca-Ioana
  • Suen, Richard M. H.

Eusepi (2009, International Journal of Economic Theory 5, pp. 9-23) analytically finds that a one-sector real business cycle model may exhibit positive co-movement between consumption and investment when the equilibrium wage-hours locus is positively-sloped and steeper than the household's labor supply curve. However, we show that this condition does not imply expectations-driven business cycles will emerge in Eusepi's model. Specifically, a positive news shock about future productivity improvement leads to an aggregate recession whereby output, employment, consumption and investment all fall in the announcement period.

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File URL: http://mpra.ub.uni-muenchen.de/24989/1/MPRA_paper_24989.pdf
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Paper provided by University Library of Munich, Germany in its series MPRA Paper with number 24989.

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Date of creation: Sep 2010
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Handle: RePEc:pra:mprapa:24989
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  1. Benhabib, J. & Farmer, R.E.A, 1991. "Indeterminacy and Increasing Returns," Papers 165, Cambridge - Risk, Information & Quantity Signals.
  2. Nir Jaimovich & Sergio Rebelo, 2008. "News and Business Cycles in Open Economies," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 40(8), pages 1699-1711, December.
  3. Paul Beaudry & Franck Portier, 2004. "When Can Changes in Expectations Cause Business Cycle Fluctuations in Neo-Classical Settings?," NBER Working Papers 10776, National Bureau of Economic Research, Inc.
  4. Paul Beaudry & Franck Portier, 2004. "Stock Prices, News and Economic Fluctuations," NBER Working Papers 10548, National Bureau of Economic Research, Inc.
  5. Nir Jaimovich & Sergio Rebelo, 2006. "Can News About the Future Drive the Business Cycle?," NBER Working Papers 12537, National Bureau of Economic Research, Inc.
  6. Beaudry, Paul & Portier, Franck, 2001. "An Exploration into Pigou's Theory of Cycles," CEPR Discussion Papers 2996, C.E.P.R. Discussion Papers.
  7. Stefano Eusepi*, 2009. "On expectations-driven business cycles in economies with production externalities," International Journal of Economic Theory, The International Society for Economic Theory, vol. 5(1), pages 9-23.
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