Non-linear unit root properties of stock prices: Evidence from India, Pakistan and Sri Lanka
This study applies a threshold autoregressive (TAR) model to monthly stock prices for three South Asian countries over the period from 1991:01 to 2009:09. Two main conclusions are drawn. Firstly, the results indicate that all the stock prices in this study exhibit non-linear behavior. Secondly, a partial unit root was found to be present in one of the regimes indicating that the stock prices are weak form efficiency, but not all the time.
Volume (Year): 30 (2010)
Issue (Month): 1 ()
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- Dickey, David A & Fuller, Wayne A, 1981. "Likelihood Ratio Statistics for Autoregressive Time Series with a Unit Root," Econometrica, Econometric Society, vol. 49(4), pages 1057-72, June.
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- Qaiser Munir & Kasim Mansur, 2009. "Is Malaysian Stock Market Efficient? Evidence from Threshold Unit Root Tests," Economics Bulletin, AccessEcon, vol. 29(2), pages 1359-1370.
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