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Shocking Stuff: Technology, Hours, And Factor Substitution

  • Cristiano Cantore
  • Miguel León-Ledesma
  • Peter McAdam
  • Alpo Willman

The response of hours to technology shocks is a key controversy in macroeconomics. We show that differences between RBC and NK models hinge on highly restrictive views of technology. We introduce CES production technologies and demonstrate that the response of hours depends on the factor-augmenting nature of shocks and the capital–labor substitution elasticity in both models. We develop analytical expressions to establish the thresholds determining its sign. This opens new margins for shock identification combining theory and VAR evidence. We discuss how our models provide new robust restrictions for empirical work, especially using the labor income share.

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File URL: http://hdl.handle.net/10.1111/jeea.12038
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Article provided by European Economic Association in its journal Journal of the European Economic Association.

Volume (Year): 12 (2014)
Issue (Month): 1 (02)
Pages: 108-128

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Handle: RePEc:bla:jeurec:v:12:y:2014:i:1:p:108-128
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