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[摘要] :
This study uses monthly data from the Greater China region from 1996 to 2010 to exam- ine the relation between idiosyncratic volatility (IV) and excess returns (ER). We show an insignificant IV-ER relation in the Hong Kong and Taiwan stock markets. A positive rela- tion is found in the Shanghai stock market, but the positive relation disappears after the market liberalization in April 2005. Our finding supports Merton’s (1987) theory that ex- cess return and idiosyncratic volatility are positively related when asset diversification is restricted.
[英文摘要] :
This study uses monthly data from the Greater China region from 1996 to 2010 to exam- ine the relation between idiosyncratic volatility (IV) and excess returns (ER). We show an insignificant IV-ER relation in the Hong Kong and Taiwan stock markets. A positive rela- tion is found in the Shanghai stock market, but the positive relation disappears after the market liberalization in April 2005. Our finding supports Merton’s (1987) theory that ex- cess return and idiosyncratic volatility are positively related when asset diversification is restricted.
[參考文獻] :
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