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  • 學位論文

MSCI 世界指數對中國三股市之系統風險 : 分量迴歸分析

The Systematic Risk of the MSCI World Index on China's three Equity Markets : Quantile Regression Analysis

指導教授 : 吳仰哲
共同指導教授 : 李美杏
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摘要


近年來,中國的經濟快速發展,受到世界各國的關注,許多投資者轉而投資中國股市。然而,美國的次貸危機造成全球股市下跌,及投資者投資股市的恐慌。故在本篇論文中,延伸 Sharpe et al. 所提出的資本資產定價模型,發展出國際資本資產定價模型,並將樣本期間分為次貸危機前、次貸危機中與次貸危機後。應用分量迴歸探討在次貸危機時,以 MSCI 世界指數來分析中國三股市之系統風險,亦比較在次貸危機前、中、後三個時期及不同分量報酬下,中國三股市的系統風險,避免高風險的投資,並建立投資者投資中國股市之參考指標。 本文研究結果發現由於香港較上海與深圳股市早已國際化,在次貸危機前, MSCI 世界指數對香港股市在不同分量報酬下皆有顯著的系統風險,而 MSCI 世界指數對上海、深圳股市在不同分量報酬下無顯著的系統風險。在次貸危機中, MSCI 世界指數對香港股市在不同分量報酬下皆有顯著的系統風險。在次貸危機結束後, MSCI 世界指數對中國三股市在不同分量報酬下皆有顯著的系統風險,但較小於在次貸危機中的系統風險。

並列摘要


In recent years, China's economic rapid development has attracted the world's attention, many investors turn to invest in China equity market. However, subprime crisis in U.S caused the decline of global equity market and the investors' fear of investing in the equity market. Therefore, this study extends the capital asset pricing model proposed by Sharpe et. al. to develop international capital asset pricing model. We apply the quantile regression to investigate the systematic risk of the MSCI world index on China's three equity markets in the subprime crisis, and analyze the systematic risk of China's three equity markets during subprime pre-crisis, during-crisis and post-crisis periods. The empirical results show that the systematic risk of the MSCI world index on Hong Kong equity market before the crisis was significant, and the ones on Shanghai and Shenzhen equity markets were significant on the fall of the stock index. The reason is that the internationalization of Hong Kong equity market is more than those of Shanghai and Shenzhen, and the ones on Shanghai and Shenzhen equity markets were significant on the rise of the stock index. However, the systematic risks of the MSCI world index on Hong Kong equity markets were all significant during the crisis. After the crisis, the systematic risks of the MSCI world index on China's three equity markets were still significant, but they became smaller than those during the crisis. The empirical evidence offer investors a reference of investing China.

參考文獻


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