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African stock markets : multiple variance ratio tests of random walks
Smith, Graham; Jefferis, Keith R.; Ryoo, Hyun-jung - In: Applied financial economics 12 (2002) 7, pp. 475-484
Persistent link: https://www.econbiz.de/10001676722
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Korean stock prices under price limitis : variance ratio tests of random walks
Ryoo, Hyun-jung; Smith, Graham - In: Applied financial economics 12 (2002) 8, pp. 545-553
Persistent link: https://www.econbiz.de/10001677009
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The impact of stock index futures on the Korean stock market
Ryoo, Hyun-jung; Smith, Graham - In: Applied financial economics 14 (2004) 4, pp. 243-251
Persistent link: https://www.econbiz.de/10001939272
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Variance ratio tests of the random walk hypothesis for European emerging stock markets
Smith, Graham; Ryoo, Hyun-jung - In: The European journal of finance 9 (2003) 3, pp. 290-300
Persistent link: https://www.econbiz.de/10001780712