| 研究生: |
呂樂憫 Leu, Lok-Man |
|---|---|
| 論文名稱: |
VIX與財務預警 – 數據分析觀點 VIX and Financial Warning – A Data Analytics Perspective |
| 指導教授: |
諶家蘭
Seng, Jia-Lang |
| 口試委員: |
張仲岳
廖珮真 |
| 學位類別: |
碩士
Master |
| 系所名稱: |
商學院 - 會計學系 Department of Accounting |
| 論文出版年: | 2018 |
| 畢業學年度: | 106 |
| 語文別: | 英文 |
| 論文頁數: | 81 |
| 中文關鍵詞: | 恐慌指數 、新聞 、文字探勘 、情緒分析 、財務預警 |
| 外文關鍵詞: | Volatility index, Financial news, Text mining, Sentiment analysis, Financial warning |
| DOI URL: | http://doi.org/10.6814/THE.NCCU.ACCT.025.2018.F07 |
| 相關次數: | 點閱:325 下載:34 |
| 分享至: |
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新聞資訊能幫助投資人快速瞭解金融市場及總體經濟環境所發生之事情。從新聞內容中,投資人可以判斷整體市場的走勢。因此,新聞內容將影響投資人的投資決策,台灣投資人之情緒主要受本地新聞媒體所撰寫之報導所影響。本研究之樣本期間為2007年至2017年,新聞來源為全曜財經資訊股份有限公司(CMoney)資料庫。本研究使用文字探勘技術,研究財務預警新聞與台灣投資人情緒之關聯性。本研究使用台灣恐慌指數(VIXTWN)作為衡量整體台灣投資人情緒之變數,觀察本地產業新聞及國際主要股市新聞與市場恐慌指數之關聯性。
本研究之結果顯示,台灣投資人之整體情緒受本地產業新聞及全球股市新聞內容所影響。投資人情緒波動將反映在當日及明後兩日之恐慌指數上。新聞中所使用的字詞及語調,將影響投資人之情緒及對市場未來走勢之看法,並進一步影響投資人之投資決策。
Mass media communicates with readers, investors can understand issues of the financial market through reading news articles. Information provided in the news articles plays an important role in affecting investors’ perspective on the future trend and opportunities of the financial market. Financial news are extracted from CMoney and the research period is 2007 to 2017. In this study, we the text mining technique to analyze the association between financial warning news and investors’ sentiment. The market volatility index (VIXTWN) will be used to quantify Taiwanese investors’ sentiment, models are established to observe how local industrial news and global stock market news affect market volatility.
The empirical result of this study proves the relationship between local industrial and global stock market news and market volatility. Wordings and tone of news affect investors’ sentiment and their perspective on future market return. Therefore, changes in investors’ sentiment affect their investment decision and further affect market volatility. Moreover, the study proves that market volatility reaction consist of two parts, immediate reaction and delayed reaction.
1. Introduction 1
1.1 Research Purpose and Motivation 1
1.2 Research Problem 6
1.3 Research Process 7
2. Literature Review 8
2.1 Volatility Index 8
2.2 Macroeconomic Events 13
2.3 Financial Warning 16
2.4 Text Mining and Sentiment Analysis 18
3. Research Method 23
3.1 Hypothesis Development 23
3.1.1 The Relationship between Mood of News and VIXTWN
24
3.1.2 The Relationship between News Tone and VIXTWN 26
3.2 Data Collection 27
3.3 Text Analytic Approach on News 30
3.4 Regression Model 34
3.4.1 Dependent Variables 36
3.4.2 Independent Variables 36
3.4.3 Control Variables 38
4. Empirical Result 41
4.1 Descriptive Statistics 41
4.2 Correlation Analysis 44
4.3 Regression Analysis 49
4.3.1 Mood of Local Industrial News and VIXTWN 49
4.3.2 Mood of Global Stock Market News and VIXTWN 52
4.3.3 Tone of Local Industrial News and VIXTWN 54
4.3.4 Tone of Global Stock Market News and VIXTWN 56
4.3.5 Regression Result with Fixed Effect 58
5. Conclusion and Discussion 63
5.1 Research Discussion and Contribution 63
5.2 Limitation and Future Research Work 65
Appendix 67
References 78
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