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| Title: | 以情緒分析量化新聞資料探討新台幣匯率市場效率性之研究
The Efficiency of USD/TW FX Market -----Quantifying News Materials with Sentiment Analysis |
| Authors: | 張邑齊
Chang, Yi-Chi |
| Contributors: | 林信助
張邑齊
Chang, Yi-Chi |
| Keywords: | 外匯市場
文字探勘
GARCH模型
FX Market
Sentiment analysis
GARCH model |
| Date: | 2019 |
| Issue Date: | 2019-09-05 15:39:25 (UTC+8) |
| Abstract: | 本研究之主要目的為透過文字探勘中的情緒分析方法以ANTUSD情緒詞庫量化新聞資料，利用新聞情緒分數衡量市場情緒，結合OLS與GARCH(1,1)建立迴歸模型，探討新台幣匯率市場之效率性。本研究分別使用: 1. 匯率相關之財經新聞全文 2.匯率相關新聞中匯銀主管針對匯率走勢所發表之談話內容 兩種新聞資料，作為計算新聞情緒分數的樣本，並比較上述兩種新聞資料何者對於匯率之走勢有較佳的解釋能力。根據本研究之實證結果，以匯率相關之財經新聞全文計算之情緒分數作為變數之模型表現較佳。在樣本期間2018/01/01至2019/03/20內，以量化之新聞情緒分數衡量之市場情緒對於新台幣兌美元之匯率是存在解釋力的，且匯率的走勢的波動也會受到新聞情緒的變異所影響，代表新台幣匯率市場違反效率市場假說。
This study uses quantified news materials as a measure of market sentiment in order to test the efficiency of USD/NTD FX market. By quantifying FX rate related news materials with ANTUSD sentiment lexicon, news sentiment can be transformed into numeric variable that can be used to build up econometric model. Base on the result of the GARCH(1,1) model implemented in this thesis, within 2018/01/01~2019/03/20, news sentiment significantly affects the USD/NTW exchange rate. Moreover, the variance of the news sentiment also affects the volatility of the USD/NTW exchange rate. Hence, according to the results of the model, this research concludes that USD/NTW FX market doesn’t follow the efficient market hypothesis. |
| Reference: | 中文文獻
1. 張興華 (2013)。從央行干預新聞分析台灣央行外匯市場干預與台幣匯率之關係。證券市場發展季刊，25，95-112。
2. 李建慧、黃信棠 (2011)。市場交易訊息對匯率之影響。亞太經濟管理評論，15，71-88。
3. 陳裕崧、謝邦昌、李勝輝、陳郁婷 (2014)。運用文字探勘與資料採礦技術建立匯率預測模型 -以人民幣兌新台幣為例 。數據分析，9，133-146
4. 柯秀欣 (2018)。台灣央行外匯市場干預對台美匯率之影響–媒體資料之應用。 經濟論文叢刊，46，297-322。
英文文獻
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13. Ku, L. W., Ho, H. W., & Chen, H. H. (2009). “Opinion mining and relationship discovery using CopeOpi opinion analysis system.,” Journal of the American Society for Information Science and Technology, 60(7), 1486-1503.
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| Description: | 碩士
國立政治大學
國際經營與貿易學系
106351024 |
| Source URI: | http://thesis.lib.nccu.edu.tw/record/#G0106351024 |
| Data Type: | thesis |
| DOI: | 10.6814/NCCU201900777 |
| Appears in Collections: | [國際經營與貿易學系 ] 學位論文
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