Asymptotic confidence bands for the estimated autocovariance and autocorrelation functions of vector autoregressive models |
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Authors: | Günter Coenen |
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Affiliation: | (1) European Central Bank, 60311 Frankfurt, Germany |
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Abstract: | This paper provides closed-form formulae for computing the asymptotic covariance matrices of the estimated autocovariance and autocorrelation functions of stable VAR models by means of the delta method. These covariance matrices can be used to construct asymptotic confidence bands for the estimated autocovariance and autocorrelation functions to assess the underlying estimation uncertainty. The usefulness of the formulae for empirical work is illustrated by an application to inflation and output gap data for the U.S. economy indicating the existence of a significant short-run Phillips-curve tradeoff.First version received: November 2002/Final version received: September 2003 |
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Keywords: | Vector autoregressive models autocovariance and autocorrelation functions confidence bands delta method phillips curve |
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