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Resurrecting the size effect: Evidence from a panel nonlinear cointegration model for the G7 stock markets
Author(s) -
Apergis Nicholas,
Payne James E.
Publication year - 2014
Publication title -
review of financial economics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.347
H-Index - 41
eISSN - 1873-5924
pISSN - 1058-3300
DOI - 10.1016/j.rfe.2013.08.003
Subject(s) - cointegration , economics , econometrics , stock (firearms) , stock market , empirical evidence , nonlinear system , financial economics , mechanical engineering , physics , quantum mechanics , engineering , paleontology , philosophy , epistemology , horse , biology
Firm size is known to be an important factor affecting stock returns. This study proposes a panel threshold cointegration model to investigate the impact of the size effect on stock returns for the panel of G7 countries: Canada, France, Germany, Italy, Japan, the U.K., and the U.S. over the period 1991:1–2012:12. The empirical analysis is based upon the nonlinear cointegration framework using the asymmetric ARDL cointegration methodology (Shin et al., 2011). This methodological approach permits a much richer degree of flexibility in the dynamic adjustment process toward equilibrium, than in the classical linear model. Our findings indicate the presence of asymmetric adjustment around a unique long‐run equilibrium. In particular, the empirical analysis provides evidence of asymmetric effects between stock returns and the size effect, while controlling for the book‐to‐market ratio and the price‐to‐earnings ratio.