Maurice J.G. Bun () (Faculty of Economics and Econometrics, University of Amsterdam) Jan F. Kiviet () (Faculty of Economics and Econometrics, University of Amsterdam)
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The finite sample behaviour is analysed of particular least squares (LS) and method of moments (MM) estimators in panel data models with individual effects and both a lagged dependent variabIe regressor and another explanatory variabIe which may be affected by lagged feedbacks from the dependent variabIe. Asymp- totic expansions indicate that the order of magnitude of bias of (generalized) MM estimators tends to increase with the number of moment conditions exploited. For various estimation procedures we examine the analytical effects of feedbacks and other model characteristics such as prominence of individual effects. Simulation re- sults corroborate our theoretical findings and show that in small samples of models with dynamic feedbacks none of the techniques examined dominates. However, a simple bias corrected LS estimator which presupposes strict exogeneity is found to be rather robliSt, showing often smaller root mean squared errors than GMM.
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Find related papers by JEL classification: C13 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods: General - - - Estimation C23 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Models with Panel Data
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