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Zero Lower Bound and Parameter Bias in an Estimated DSGE Model

  • Yasuo Hirose
  • Atsushi Inoue

This paper examines how and to what extent parameter estimates can be biased in a dynamic stochastic general equilibrium (DSGE) model that omits the zero lower bound constraint on the nominal interest rate. Our experiments show that most of the parameter estimates in a standard sticky-price DSGE model are not biased although some biases are detected in the estimates of the monetary policy parameters and the steady-state real interest rate. Nevertheless, in our baseline experiment, these biases are so small that the estimated impulse response functions are quite similar to the true impulse response functions. However, as the probability of hitting the zero lower bound increases, the biases in the parameter estimates become larger and can therefore lead to substantial differences between the estimated and true impulse responses.

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Paper provided by Graduate School of Economics and Management, Tohoku University in its series TERG Discussion Papers with number 308.

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Length: 33 pages
Date of creation: Sep 2013
Date of revision:
Handle: RePEc:toh:tergaa:308
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  17. Thomas Lubik & Frank Schorfheide, 2002. "Testing for Indeterminacy:An Application to U.S. Monetary Policy," Economics Working Paper Archive 480, The Johns Hopkins University,Department of Economics, revised Jun 2003.
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