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  • 學位論文

金融風暴前後基金績效與決定因素-台灣股票型基金之實證

The Performance and Determinants of Mutual Fund during Pre- and Post-Financial Crisis – the Empirical Study of Taiwanese Stock Fund

指導教授 : 劉定焜
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摘要


隨著時代的進步,越來越多的投資商品推陳出新,但不同的商品存在著不一樣的限制、風險以及報酬,而共同基金在市場多樣化的投資商品中,因具有方便及風險分散性,所以對於投資人而言仍是頗為熱門的選項之一。 然而以 2008 年為開端陸陸續續出現各種影響股票市場的事件 (如金融風暴與歐債危機等) 發生,使全球的市場動盪不安並產生變化,故當這些事件發生時,基金經理人的績效是否會受到影響,或是因影響績效的因素改變而獲得更好的績效呢?是值得予以深究與探討的議題。 過去文獻針對基金績效進行金融風暴前後探討之研究並不多見,相關研究其研究期間亦相對較短。故本研究建構 2002 年至 2013 年 9 月台灣共同基金之實證資料,並以 2007 年為分界點,進行金融風暴前後期間之比較。 首先,參考 Murthi et al. (1997)使用之資料包絡法 (data envelopment analysis, DEA) 估計台灣共同基金的總技術效率值 (overall technology efficiency, OTE),以利進行台灣共同基金之績效衡量。其次,將 OTE 與傳統績效指標(Sharp 指標、Treynor 指標、Jensen 指標) 及 Beta 進行相關性連結,觀察兩者受金融風暴影響之連動情況。最後,建構 panel data 進一步探討台灣共同基金之績效決定因素,並考量總體環境變數、基金特性及投信公司特徵變數等因素建構本研究之實證模型。 實證結果發現,金融風暴前台灣共同基金績效優於金融風暴後,傳統指標間的相關性及績效決定因素方面,則會因金融風暴前後有所差異。金融風暴前效率值與傳統指標的相關性較低,決定因素方面則偏重於總體環境變數中;金融風暴後效率值與傳統指標的相關性較高,決定因素方面則分佈於基金特性、投信公司與總體環境因素,期望可提供投資大眾與後續相關研究者具價值之參考。

並列摘要


More and more investment products were created with the change of time, but each product has different conditions, risk and return. Mutual funds are more convenient and risk dispersion than other variety investment products, so mutual fund is one of active investment products for investor. During financial crisis and Euro crisis, stock market and global market was attacked. What fund managers will do during such an event? Mutual fund performance will be better than before or not is an important issue for further study. In former studies, they didn’t focus on financial crisis or have short research periods. We construct Taiwanese mutual funds data during 2002 - 2013 to analyze difference of mutual fund pre- and post-financial crisis with the demarcation point of 2007. First, according to Murthi et al. (1997),we use DEA to assess mutual fund performance. Then, we test relationship between overall technology efficiency and traditional index(Sharp index, Treynor index and Jensen index). Finally, we use panel data to explore determinants including environment variable, fund variable and company variable of mutual fund performance. The empirical results show that Taiwanese mutual fund performance has no difference before and after financial crisis. But the relationship between traditional index and performance factors is different. Before financial crisis, the relationship between traditional index is lower, and performance determinants focus on environment variable. After financial crisis, the relationship between traditional index is higher, and performance determinants focus on environment variable, fund variable and company variable. We expect to offer valuable reference for investors and researchers of future study.

參考文獻


李竹芬與范遠華 (2007)。國內共同基金績效評估及其影響因素之實證研究。人文及管理學報,(4),235-258。
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