Abstract
This chapter investigates two specific forms of misspecification for the error components model. The first, described in Section 12.1, assumes that the error components specification is valid but the number of components is misspecified. Since the one-way and two-way error components models are popular in economics, we focus on these models and study the effects of underspecifying or overspecifying the error components structure. The second form of misspecification also pertains to the error covariance structure. However, in this case, we consider a cross-sectionally heteroscedastic time-wise autocorrelated error structure described in Kmenta [1986] and set up a comparison via Monte-Carlo experiments between these two specifications. This is done in Section 12.2, Section 12.3 gives a brief presentation of Hausman’s [1978] specification test in the context of panel data, and Section 12.4 deals with other forms of misspecification and provides a list of other diagnostics for the error components model.
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Baltagi, B.H. (1996). Specification Issues. In: Mátyás, L., Sevestre, P. (eds) The Econometrics of Panel Data. Advanced Studies in Theoretical and Applied Econometrics, vol 33. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-0137-7_12
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DOI: https://doi.org/10.1007/978-94-009-0137-7_12
Publisher Name: Springer, Dordrecht
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