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  • 學位論文

宣示課徵證所稅對台股成交金額之影響

The Impact on Stock Turnover of Declaring Capital Gains Taxation in Taiwan Stock Market

指導教授 : 林建甫

摘要


台灣股市自2012年4月起成交動能驟減,同期間,政府宣示課徵證所稅,多數人認為證所稅是造成台股低量的元兇。惟國際股市近期成交量也有下滑現象,因此本文以2007年至2012年與2009年至2012年兩期間之台灣加權指數和台灣櫃買指數的成交金額資料,利用一般迴歸模型和差異中的差異法(DID)來檢定其近期的變化是否與宣示課徵證所稅有顯著相關,同時觀察其於課徵證所稅宣示日前後之變化程度。其中,DID的控制組以韓國KOSPI指數的成交金額為主,藉此排除國際因素,僅觀察純粹證所稅對台股成交金額的宣示影響效果。 實證結果顯示,於一般迴歸結果中,台灣加權指數、台灣櫃買指數、韓國KOSPI指數,三者之成交金額於台灣政府宣示課徵證所稅日後皆有顯著減少的現象,顯示此期間確實並非只有台股成交動能發生變化。再觀察DID之結果,排除國際因素後,台股加權指數與台灣櫃買指數之成交金額仍然呈現顯著減少的狀況。其中,台灣櫃買指數之成交金額不論在一般迴歸模型或DID中,其減幅皆居三者之冠。由於櫃買指數的成交比重多來自本土一般投資人,而證所稅開徵又以本土投資人所受衝擊為大,因此此結果呼應證所稅確實對台股成交金額造成相當程度之影響。

並列摘要


Since April in 2012, the turnover of Taiwan stock market has plunged for several months. In this period, the Government declared capital gains taxation on securities. Most people believe that the declaration makes the turnover decline. However, turnover of stock markets in other countries also have slipped recently. This study attempts to examine the relationship between the turnover of Taiwan stock market and the declaration of capital gains taxation. Also, answer how the declaration was attributed to the recent decline of the turnover of Taiwan stock market. We use general regression model and difference in difference method (DID) to test the data. The results clearly indicate that the declaration of capital gains taxation had a great influence on the turnover. We detect a significant decrease in the turnover after the Government declaring the taxation.

參考文獻


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被引用紀錄


蕭為瀚(2015)。復徵證所稅對台股市值及週轉率之影響〔碩士論文,淡江大學〕。華藝線上圖書館。https://doi.org/10.6846/TKU.2015.00769
李欣怡(2014)。2013年復徵證券交易所得稅對臺灣上市證券公司之影響〔碩士論文,國立臺灣大學〕。華藝線上圖書館。https://doi.org/10.6342/NTU.2014.10461
許弘毅(2012)。我國證券交易所得稅之政策形成-多源流程模式的分析視角〔碩士論文,國立臺灣大學〕。華藝線上圖書館。https://doi.org/10.6342/NTU.2012.00351

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