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Comparing fixed effects and covariance structure estimators for panel data
DOI:10.1177/0049124106289109.png)
摘要
En 中文
In this article, the authors compare the traditional econometric fixed effect estimator with the maximum likelihood estimator implied by covariance structure models for panel data. Their findings are that the maximum likelihood estimator is remarkably robust to certain types of misspecifications (e.g., deviation from the assumption of an underlying normal distribution). However, with other types of misspecification, the fixed estimator is preferable. Furthermore, the authors suggest that the Hausman specification test may be used as a test of the consistency of the maximum likelihood estimator.
Keyword:
panel data
fixed effects estimator
covariance structure estimator
specification test
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