Is South Korea's stock market efficient? Evidence from a nonlinear unit root test
AbstractIn this article we re-examine efficiency of the South Korea's stock market, extending recent work of Narayan and Smyth (2004). For this purpose we apply the nonlinear unit root test procedure recently developed by Kapetanios et al. (2003). The nonlinear unit root test rejects the null hypothesis of unit root, suggesting that the South Korea's stock market is not weak form efficient, contrary to the findings of Narayan and Smyth (2004).
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Bibliographic InfoArticle provided by Taylor & Francis Journals in its journal Applied Economics Letters.
Volume (Year): 16 (2009)
Issue (Month): 2 ()
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