Robertson, D. and Sarafidis, V.

IV Estimation of Panels with Factor Residuals

CWPE1321

Abstract: This paper proposes a new instrumental variables approach for consistent and asymptotically efficient estimation of panel data models with weakly exogenous or endogenous regressors and residuals generated by a multifactor error structure. In this case, the standard dynamic panel estimators fail to provide consistent estimates of the parameters. The novelty of our approach is that we introduce new parameters to represent the unobserved covariances between the instruments and the factor component of the residual; these parameters are estimable when N is large. Some important estimation and identification issues are studied in detail. The finite sample performance of the proposed estimators is investigated using simulated data. The results show that the method produces reliable estimates of the parameters over several parametrisations.

Keywords: Generalised Method of Moments, Dynamic Panel Data, Factor Residuals

JEL Codes: C23 C26

Author links: Donald Robertson  

PDF: https://www.econ.cam.ac.uk/research-files/repec/cam/pdf/cwpe1321.pdf

Open Access Link: https://doi.org/10.17863/CAM.5762

Published Version of Paper: IV estimation of panels with factor residuals, Robertson, D. and Sarafidis, V., Journal of Econometrics (2015)

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