Size Matters: Covariance Matrix Estimation Under the Alternative

Jason Allen

No 273567, Queen's Economics Department Working Papers from Queen's University - Department of Economics

Abstract: The purpose of this paper is to investigate, using Monte Carlo methods, whether or not Hall’s (2000) centered test of overidentifying restrictions for parameters estimated by Generalized Method of Moments (GMM) is more powerful, once the test is size-adjusted, than the standard test introduced by Hansen (1982). The Monte Carlo evidence shows that very little size-adjusted power is gained over the standard uncentered calculation. Empirical examples using Epstein and Zin (1991) preferences demonstrates that the centered and uncentered tests sometimes lead to different conclusions about model specification.

Keywords: Financial; Economics (search for similar items in EconPapers)
Pages: 18
Date: 2005-08
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Related works:
Journal Article: Size matters: covariance matrix estimation under the alternative (2007)
Working Paper: Size Matters: Covariance Matrix Estimation Under The Alternative (2005)
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Persistent link: https://EconPapers.repec.org/RePEc:ags:quedwp:273567

DOI: 10.22004/ag.econ.273567

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