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管理學院
管理研究所
學位論文
學位論文
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http://rportal.lib.ntnu.edu.tw/handle/20.500.12235/73887
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search.filters.author.Lee, Lu-Hsin
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search.filters.author.李律昕
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search.filters.subject.Regression analysis
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search.filters.subject.Search Volume Index
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search.filters.subject.Sentiment analysis
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search.filters.subject.Text mining
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search.filters.subject.廻歸分析
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新聞情緒及關注程度對台灣證券市場影響之探討
(
2022
)
李律昕
;
Lee, Lu-Hsin
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新冠疫情不僅改變了一般民眾的生活型態,也對台灣證券市場造成巨大的影響,2021年5月台灣疫情爆發,負面新聞帶來的恐慌情緒在廣大投資群眾間蔓延,也因此創下了加權指數單日最高跌幅的歷史紀錄。負面情緒使得許多績效優秀的個股受到非理性的股價重挫,可見投資人情緒及事件的關注程度對金融市場影響甚劇。本文將新聞文本中的文字情緒量化,並結合網路搜索量的變化率,以迴歸模型探討2019年初至2021年底之間的個股新聞及關注程度對於台灣證券市場的影響。實證結果顯示新聞情緒及關注程度對於個股報酬率、流動性、機構投資人的交易行為皆有顯著的正面影響。
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