SUBHAN ULLAH SUBHAN.ULLAH@NOTTINGHAM.AC.UK
Associate Professor in Accounting
SUBHAN ULLAH SUBHAN.ULLAH@NOTTINGHAM.AC.UK
Associate Professor in Accounting
Pervaiz Akhtar
Ghasem Zaefarian
© 2017 Elsevier Inc. Endogeneity bias can lead to inconsistent estimates and incorrect inferences, which may provide misleading conclusions and inappropriate theoretical interpretations. Sometimes, such bias can even lead to coefficients having the wrong sign. Although this is a long-standing issue, it is now emerging in marketing and management science, with high-ranked journals increasingly exploring the issue. In this paper, we methodologically demonstrate how to detect and deal with endogeneity issues in panel data. For illustration purposes, we used a dataset consisting of observations over a 15-year period (i.e., 2002 to 2016) from 101 UK listed companies and examined the direct effect of R&D expenditures, corporate governance, and firms’ characteristics on performance. Due to endogeneity bias, the result of our analyses indicates significant differences in findings reported under the ordinary least square (OLS) approach, fixed effects and the generalized method of moments (GMM) estimations. We also provide generic STATA commands that can be utilized by marketing researchers in implementing a GMM model that better controls for the three sources of endogeneity, namely, unobserved heterogeneity, simultaneity and dynamic endogeneity.
Ullah, S., Akhtar, P., & Zaefarian, G. (2018). Dealing with endogeneity bias: The generalized method of moments (GMM) for panel data. Industrial Marketing Management, 71, 69-78. https://doi.org/10.1016/j.indmarman.2017.11.010
Journal Article Type | Article |
---|---|
Acceptance Date | Nov 21, 2017 |
Online Publication Date | Jan 10, 2018 |
Publication Date | 2018-05 |
Deposit Date | Jan 27, 2020 |
Publicly Available Date | Jan 30, 2020 |
Journal | Industrial Marketing Management |
Print ISSN | 0019-8501 |
Electronic ISSN | 1873-2062 |
Publisher | Elsevier |
Peer Reviewed | Peer Reviewed |
Volume | 71 |
Pages | 69-78 |
DOI | https://doi.org/10.1016/j.indmarman.2017.11.010 |
Keywords | Keyword: endogeneity bias; generalized method of moments; methodological issues; panel data 2 |
Public URL | https://nottingham-repository.worktribe.com/output/3810993 |
Publisher URL | https://www.sciencedirect.com/science/article/pii/S0019850117308532 |
Dealing With Endogeneity Bias The Generalized Method Of Mements For Panal Data
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