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The Effects of Technology Shocks on Hours and Output: A Robustness Analysis

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  • Canova, Fabio
  • López-Salido, J David
  • Michelacci, Claudio

Abstract

We analyze the effects of neutral and investment-specific technology shocks on hours and output. Long cycles in hours are captured in a variety of ways. Hours robustly fall in response to neutral shocks and robustly increase in response to investment specific shocks. The percentage of the variance of hours (output) explained by neutral shocks is small (large); the opposite is true for investment specific shocks. `News shocks' that generically change expectations about future productivity, are uncorrelated with the estimated technology shocks.

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Paper provided by C.E.P.R. Discussion Papers in its series CEPR Discussion Papers with number 6720.

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Date of creation: Feb 2008
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Handle: RePEc:cpr:ceprdp:6720

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Keywords: Long cycles; News shocks; Structural VARs; Technology disturbances;

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  1. Ramey, Valerie A & Francis, Neville, 2002. "Is The Technology-Driven Real Business Cycle Hypothesis Dead? Shocks and Aggregate Fluctuations Revisted," University of California at San Diego, Economics Working Paper Series qt6x80k3nx, Department of Economics, UC San Diego.
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  3. Fabio Canova & David Lopez-Salido & Claudio Michelacci, 2006. "Schumpeterian technology shocks," Economics Working Papers 1012, Department of Economics and Business, Universitat Pompeu Fabra, revised Nov 2007.
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  16. Jesús Fernández-Villaverde & Juan F. Rubio-Ramírez & Thomas J. Sargent & Mark W. Watson, 2007. "ABCs (and Ds) of Understanding VARs," American Economic Review, American Economic Association, vol. 97(3), pages 1021-1026, June.
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  20. Canova, Fabio & López-Salido, J David & Michelacci, Claudio, 2008. "The Effects of Technology Shocks on Hours and Output: A Robustness Analysis," CEPR Discussion Papers 6720, C.E.P.R. Discussion Papers.
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