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政府政策與制度的改變對台灣股市波動性之影響…ARJI-Trend模型之應用

The Impact of Government's Policies and Systems on the Volatilities of Stock Market Return in Taiwan

摘要


本研究結合Engle and Lee (1993)的要素模型及Chan and Maheu (2002)的ARJI模型發展出所謂的ARJI-Trend模式,運用此模式估計條件變異數的恆常與移轉部份及跳躍機率與跳躍頻率是否能正確地捕捉政府的股市政策與制度對股市波動性的影響,並評論政府政策與制度的有效性。實證結論發現:在極短期內,漲跌幅的限制應有降低波動性的效果;長期而言,漲跌幅的限制是無效的。擴大法人交易比例有助於改變投資的觀念,但無助於降低股市的波動性。調整信用交易制度之效果有限,無法達到預期的效果。延長交易時間將使股市波動性增加並使投資人的交易行為產生變化。

並列摘要


The study employs ARJI-Trend model inferred from the component model of Engle and Lee (1993) coupling with ARJI model of Chan and Maheu (2002) to estimate the permanent and transitory components of conditional variance as well as jump frequency and jump probability. The estimations are applied to capture the effects of government's policies and systems on the volatilities of stock return in Taiwan; further, the comments are opposed to judge the effectiveness of the government's policies. The results indicate that the price limits can decrease the volatilities of the stock return in the short-run; however, it is ineffective in the long term. Augmenting the organization's trading proportion will facilitate the change of investor's ideas and decrease the volatility of the stock return and turnover rate of the market. The effectiveness of adjusting the margin regulation is limit, and the expected effect is unable to reach. The policy of extending the trading time will increase the volatility of stock return and change investor's trading behaviors.

參考文獻


王端鎂(1995)。檢定融資融劵比率對股票報酬率之影響(碩士論文)。國立政治大學會計研究所。
李允正(1995)。開放外資對台灣股市之影響(碩士論文)。國立中正大學財務金融學研究所。
林炯垚、盛偉德(1998)。股價漲跌幅限制對股市市場機能影響之研究。中華民國證?市場發展基金會。
周賓鳳、吳壽山(1998)。漲跌幅限制之再探討。中國財務學刊。6,19-48。
胡星陽、梁敏芳(1995)。漲跌幅限制與台灣股票市場波動。證劵市場發展季刊

被引用紀錄


葉瓊芬(2016)。放寬漲跌幅對台股波動率之影響〔碩士論文,淡江大學〕。華藝線上圖書館。https://doi.org/10.6846/TKU.2016.00186
高如潔(2010)。波動率指數與股市之共同跳躍關係〔碩士論文,淡江大學〕。華藝線上圖書館。https://doi.org/10.6846/TKU.2010.01349
林煜城(2008)。S&P500指數期現貨與NASDAQ指數期貨之關聯性及波動外溢與跳躍現象之探討- GARCH-Jump模型建立及避險比率與績效評估〔碩士論文,國立臺北大學〕。華藝線上圖書館。https://www.airitilibrary.com/Article/Detail?DocID=U0023-0307200810055400
陳泳霖(2010)。次貸金融風暴前後台灣股票與債券市場之動態關聯研究〔碩士論文,國立臺北大學〕。華藝線上圖書館。https://www.airitilibrary.com/Article/Detail?DocID=U0023-1706201013283700

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