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    題名: 公司治理與獨特性風險異象
    Corporate Governance and Idiosyncratic Volatility Anomaly
    作者: 江彌修
    Chiang, Mi-Hsiu
    陳宜群
    Chen, Yi-Chun*
    林煜恩
    Lin, Yu-En
    池祥萱
    Chi, Hsiang-Hsuan
    貢獻者: 金融系
    關鍵詞: 獨特性風險;公司治理;投資人信任;定價效率
    Idiosyncratic Volatility;Corporate Governance;Investor Trust;Pricing Efficiency
    日期: 2019-03
    上傳時間: 2019-12-19 14:37:22 (UTC+8)
    摘要: 本文探討公司治理與股票績效關聯性消失的原因，提出投資人信任假說 以及定價效率假說，檢驗獨特性風險以及定價效率是否為公司治理以及股票 績效的中介變量。研究結果公司治理越好的公司，公司未來獨特性風險越高， 支持投資人信任假說；而公司治理越好的公司，其價格修正速度也較佳，也 支持定價效率假說。進一步發現，獨特性風險為公司治理與公司績效的中介 變量，亦即公司治理越好，公司未來績效雖然較佳，但同時獨特性風險異象 也較強。本研究結果說明獨特性風險異象是公司治理與股票績效關聯性消失 的主要原因。
    This paper explores the reasons for the disappearance of the relationship between corporate governance and stock performance, and puts forward the investor trust hypothesis and the pricing efficiency hypothesis to examine idiosyncratic risk and pricing efficiency is an intermediary variable between corporate governance and stock performance. The results show if company have better corporate governance, then will have high idiosyncratic risk in then future, to support the investor trust hypothesis; and the better corporate governance company will have high pricing efficiency that also show to support the pricing efficiency hypothesis. It is further found that idiosyncratic risk is an intermediary variable between corporate governance and stock performance, that is, the better corporate governance company will not only have good performance in the future , but also idiosyncratic risk will more strong. The results show that idiosyncratic risk is the main reason for the disappearance of the relationship between corporate governance and stock performance.
    關聯: 證券市場發展季刊(Review of Securities and Futures Markets), 31-1, pp.141-170
    資料類型: article
    DOI 連結: https://doi.org/10.6529/RSFM.201903_31(1).0004
    DOI: 10.6529/RSFM.201903_31(1).0004
    顯示於類別:[金融學系] 期刊論文

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