Abstract
The paper deals with the (asymptotic) bias in the estimation of regression slope coefficients from panel data observed with error. Unobserved individual and time specific heterogeneity is also assumed. The estimators considered include: the standard ‘within’ and ‘between’ estimators, and estimators based on differences over time. It is shown that in terms of bias, there may be a trade-off between the effect of heterogeneity and of measurement errors. The paper also shows that in situations where the number of observations of each individual is finite (and in practice often small), changes in the correlograms of the measurement error and of the latent exogenous variable may substantially affect the relative bias of the different estimators of the slope coefficient.
The paper is a condensed version of Biørn (1990), presented at the Third Conference on Panel Data, Paris, June 1990, and at the Sixth World Congress of the Econometric Society, Barcelona, August 1990. At points, reference is made to this paper for more details. I am grateful to an editor of the journal and two referees for helpful comments.
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References
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© 1992 Physica-Verlag Heidelberg
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Biørn, E. (1992). The Bias of Some Estimators for Panel Data Models with Measurement Errors. In: Raj, B., Baltagi, B.H. (eds) Panel Data Analysis. Studies in Empirical Economics. Physica-Verlag HD. https://doi.org/10.1007/978-3-642-50127-2_5
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DOI: https://doi.org/10.1007/978-3-642-50127-2_5
Publisher Name: Physica-Verlag HD
Print ISBN: 978-3-642-50129-6
Online ISBN: 978-3-642-50127-2
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