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Learning-by-Doing or Habit Formation?

  • Hafedh Bouakez
  • Takashi Kano

In a recent paper, Chang, Gomes, and Schorfheide (2002) extend the standard real business cycle (RBC) model to allow for a learning-by-doing (LBD) mechanism whereby current labour supply affects future productivity. They show that this feature magnifies the propagation of shocks and improves the matching performance of the standard RBC model. In this paper, the authors show that the LBD model is nearly observationally equivalent to an RBC model with habit formation in labour (or, equivalently, in leisure). Under the same calibration of the parameters, the two models share the same equilibrium paths of output, consumption, and investment, but have different implications for hours worked. Using Bayesian techniques, the authors investigate which of the LBD and habit models fits the U.S. data best. Their results suggest that the habit specification is more strongly supported by the data.

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Paper provided by Bank of Canada in its series Staff Working Papers with number 05-15.

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Length: 31 pages
Date of creation: 2005
Date of revision:
Handle: RePEc:bca:bocawp:05-15
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