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Behavioral Theories of the Business Cycle

  • Nir Jaimovich
  • Sergio Rebelo

We explore the business cycle implications of expectation shocks and of two well-known psychological biases, optimism and overconfidence. The expectations of optimistic agents are biased toward good outcomes, while overconfident agents overestimate the precision of the signals that they receive. Both expectation shocks and overconfidence can increase business-cycle volatility, while preserving the model's properties in terms of comovement, and relative volatilities. In contrast, optimism is not a useful source of volatility in our model.

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File URL: http://www.nber.org/papers/w12570.pdf
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Paper provided by National Bureau of Economic Research, Inc in its series NBER Working Papers with number 12570.

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Date of creation: Oct 2006
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Publication status: published as Nir Jaimovich & Sergio Rebelo, 2007. "Behavioral Theories of the Business Cycle," Journal of the European Economic Association, MIT Press, vol. 5(2-3), pages 361-368, 04-05.
Handle: RePEc:nbr:nberwo:12570
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  1. Markus K. Brunnermeier & Jonathan A. Parker, 2002. "Optimal expectations," LSE Research Online Documents on Economics 24954, London School of Economics and Political Science, LSE Library.
  2. Jean-Pierre DANTHINE & John B. DONALDSON & Thore JOHNSEN, 1997. "Productivity Growth, Consumer Confidence and the Business Cycle," Cahiers de Recherches Economiques du Département d'Econométrie et d'Economie politique (DEEP) 9711, Université de Lausanne, Faculté des HEC, DEEP.
  3. Nir Jaimovich & Sergio Rebelo, 2006. "Can News About the Future Drive the Business Cycle?," NBER Working Papers 12537, National Bureau of Economic Research, Inc.
  4. Lawrence J. Christiano & Martin Eichenbaum & Charles L. Evans, 2001. "Nominal rigidities and the dynamic effects of a shock to monetary policy," Working Paper 0107, Federal Reserve Bank of Cleveland.
  5. Tauchen, George & Hussey, Robert, 1991. "Quadrature-Based Methods for Obtaining Approximate Solutions to Nonlinear Asset Pricing Models," Econometrica, Econometric Society, vol. 59(2), pages 371-96, March.
  6. Greenwood, J. & Hercowitz, Z. & Krusell, P., 1998. "The Role of Investment-Specific Technological Change in the Business Cycle," RCER Working Papers 449, University of Rochester - Center for Economic Research (RCER).
  7. Söderlind, Paul, 2005. "C-CAPM without Ex Post Data," SIFR Research Report Series 39, Institute for Financial Research.
  8. Beaudry, Paul & Portier, Franck, 2004. "An exploration into Pigou's theory of cycles," Journal of Monetary Economics, Elsevier, vol. 51(6), pages 1183-1216, September.
  9. Christiano, Lawrence & Ilut, Cosmin & Motto, Roberto & Rostagno, Massimo, 2008. "Monetary policy and stock market boom-bust cycles," Working Paper Series 0955, European Central Bank.
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