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Real Business Cycle Dynamics under Rational Inattention

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Author Info
Martins, Guilherme
Sinigaglia, Daniel

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Abstract

This paper incorporates Rational Inattention as defined by Sims (2003a) to a traditional RBC model with multiple sources of uncertainty. Our model distinguishes between transitory and permanent labor and relative investment productivity shocks. The introduction of information frictions works as an endogenous adjustment cost: given the model parameters, the degree of sluggishness of endogenous variables in response to shocks is optimally determined. In practical terms, Rational Inattention increases the volatility and the contemporaneous correlations with output of consumption and decreases those of investment and hours. Moreover, it generates a trade-off between short-run and long-run shock variances. We believe these effects might have important welfare implications and can provide an analytical understanding on the links between business cycle fluctuations and the long-run performance of an economy.

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File URL: http://mpra.ub.uni-muenchen.de/14089/
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Publisher Info
Paper provided by University Library of Munich, Germany in its series MPRA Paper with number 14089.

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Date of creation: 14 Mar 2009
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Handle: RePEc:pra:mprapa:14089

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Related research
Keywords: Real Business Cycle; Rational Inattention; Technology Diffusion;

Find related papers by JEL classification:
E32 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Business Fluctuations; Cycles
D80 - Microeconomics - - Information, Knowledge, and Uncertainty - - - General

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References listed on IDEAS
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  1. Alejandro Justiniano & Giorgio E. Primiceri & Andrea Tambalotti, 2008. "Investment shocks and business cycles," Working Paper Series WP-08-12, Federal Reserve Bank of Chicago. [Downloadable!]
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  2. Jonas D. M. Fisher, 2006. "The Dynamic Effects of Neutral and Investment-Specific Technology Shocks," Journal of Political Economy, University of Chicago Press, vol. 114(3), pages 413-451, June. [Downloadable!] (restricted)
  3. Stock, James H. & Watson, Mark W., 1999. "Business cycle fluctuations in us macroeconomic time series," Handbook of Macroeconomics, in: J. B. Taylor & M. Woodford (ed.), Handbook of Macroeconomics, edition 1, volume 1, chapter 1, pages 3-64 Elsevier. [Downloadable!] (restricted)
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  4. Sims, Christopher A., 2005. "Rational inattention: a research agenda," Discussion Paper Series 1: Economic Studies 2005,34, Deutsche Bundesbank, Research Centre. [Downloadable!]
  5. Pierpaolo Benigno & Michael Woodford, 2008. "Linear-Quadratic Approximation of Optimal Policy Problems," Discussion Papers 0809-01, Columbia University, Department of Economics. [Downloadable!]
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  6. Jordi Gali, 1999. "Technology, Employment, and the Business Cycle: Do Technology Shocks Explain Aggregate Fluctuations?," American Economic Review, American Economic Association, vol. 89(1), pages 249-271, March. [Downloadable!] (restricted)
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  7. Sims, Christopher A., 2003. "Implications of rational inattention," Journal of Monetary Economics, Elsevier, vol. 50(3), pages 665-690, April. [Downloadable!] (restricted)
  8. Michael Woodford, 2001. "Imperfect Common Knowledge and the Effects of Monetary Policy," NBER Working Papers 8673, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
  9. Greenwood, Jeremy & Hercowitz, Zvi & Krusell, Per, 2000. "The role of investment-specific technological change in the business cycle," European Economic Review, Elsevier, vol. 44(1), pages 91-115, January. [Downloadable!] (restricted)
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  10. Benigno, Pierpaolo & Woodford, Michael, 2006. "Optimal taxation in an RBC model: A linear-quadratic approach," Journal of Economic Dynamics and Control, Elsevier, vol. 30(9-10), pages 1445-1489. [Downloadable!] (restricted)
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  11. Christian Hellwig & Laura Veldkamp, 2009. "Knowing What Others Know: Coordination Motives in Information Acquisition," Review of Economic Studies, Blackwell Publishing, vol. 76(1), pages 223-251, 01. [Downloadable!] (restricted)
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  12. Michele Boldrin & Lawrence J. Christiano & Jonas D. M. Fisher, 2001. "Habit Persistence, Asset Returns, and the Business Cycle," American Economic Review, American Economic Association, vol. 91(1), pages 149-166, March. [Downloadable!] (restricted)
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  13. King, Robert G. & Rebelo, Sergio T., 1999. "Resuscitating real business cycles," Handbook of Macroeconomics, in: J. B. Taylor & M. Woodford (ed.), Handbook of Macroeconomics, edition 1, volume 1, chapter 14, pages 927-1007 Elsevier. [Downloadable!] (restricted)
    Other versions:
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