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    政大機構典藏 > 商學院 > 金融學系 > 學位論文 >  Item 140.119/54581
    Please use this identifier to cite or link to this item: https://nccur.lib.nccu.edu.tw/handle/140.119/54581


    Title: 考慮流動性風險下的投資組合最佳執行策略
    Portfolio selection under optimal execution strategies : considering liquidity risk
    Authors: 林琨哲
    Lin, Kun Che
    Contributors: 江彌修
    黃俊仁

    Chiang, Mi Hsiu
    Huang, Jun Ren

    林琨哲
    Lin, Kun Che
    Keywords: 鉅額交易
    流動性風險
    執行成本
    Date: 2011
    Issue Date: 2012-10-30 11:24:10 (UTC+8)
    Abstract:   隨著台灣境內共同基金規模不斷成長及證券市場鉅額交易的比重逐漸擴大,大額的成交量對於台灣證券市場的影響日益值得關注。Perold & Salomon (1991)、Indro(1999)與Beckers & Vaughan (2001)等學者皆提出大規模基金在持股調整及大額交易時,對於市場上資產價格會產生明顯的衝擊,同時,也會導致交易所伴隨而來的執行成本增加。因此,本研究便考慮在鉅額交易的情境下,流動性風險如何反應至執行成本上,並且分析、比較不同的市場情境、規模、產業類別下的執行成本差異。
      本研究透過Almgren and Chriss(2000)所提出的交易執行策略模型,將市場衝擊、手續費…等因子考慮至交易執行模型中,推導出不同特性之市場參與者的執行成本及變異數。針對不同的市場情境、企業規模大小、產業類別…等進行流動性風險反映執行成本的程度及執行成本期望值、變異數進行分析。
      本研究得到以下結論:在鉅額交易下,流動性風險藉由對資產價值產生不同程度的衝擊而反映在執行成本上。由買賣價差進行流動性分析得知,規模較小之標的樣本所面臨的流動性風險較大,但規模較大者較易出現大幅波動。在危機發生期間,各標的樣本所面臨的流動性風險皆提升,其中,又以規模較小者及金融產業最為明顯。在危機發生期間,各標的樣本之執行成本反應流動性風險而大幅增加,其中流動性風險較高之金融產業增加較明顯。在執行成本成份裡,規模較小者受永久性衝擊影響較大。在危機發生期間,永久性衝擊對不同規模之標的樣本影響差異較明顯。在危機發生期間,承擔相同風險單位的增額所降低執行成本期望值較低,又以規模較小者變動最大。由於,執行成本受到流動性影響劇甚,因此,應該受到投資人的關注,特別是持有鉅額部位者。
    Reference: (1) Almgren, Robert and Neil Chriss,(2000) “Optimal Execution of Portfolio Transactions,” Journal of Risk, 3, pp 5-39.
    (2) Almgren, Robert,(2003) “Optimal Execution with Nonlinear Impact Functions and Tradingenhanced Risk”, Applied Mathematical Finance, 10,pp1-18.
    (3) Beckers, S. E., & Vaughan, G. (2001). Small is beautiful. Journal of Portfolio Management, 27(4), pp9-17.
    (4) Bertsimas,D., A.W. Lo,(1998) “Optimal control of execution costs”, Journal of Finance Markets, 1, pp1-50.
    (5) Chan,L.K.C., J.Lakonishok, (1995) “The Behavior of Stock Prices around Institutional Trades”, Journal of Finance, 50, pp1147-1174.
    (6) Keim, D., Madhavan, A., (1995a) “The anatomy of the trading process”, Journal of Financial Economics” 37, pp371-398.
    (7) Keim, D., Madhavan, A., (1995b) “The upstairs market for large-block transactions: analysis and measurement of price e¤ects. Review of Financial Studies to appear”.
    (8) Keim, D., Madhavan, A., (1995c) “Execution costs and investment performance: an empirical analysis of institutional equity trades, Working paper, School of Business Administration, University of Southern California”.
    (9) Indro, D. C., Jiang, C. X., Hu, M. Y., & Lee, W. Y. (1999) “Mutual fund performance: Does fund size matter?”, Financial Analysts Journal, 55(3), pp74-87.
    (10) Perold, Andre F.,(1988) “The Implementation Shortfall: Paper Versus Reality”, Journal of Portfolio Management 14. 3, 4.
    (11) Wagner, W., Edwards, M., (1993) “Best execution”, Financial Analyst Journal 49, pp65-71.
    (12) 闕河士, 方怡,(2011) “基金持股不流動性對共同基金規模與績效關係之影響”, 中華管理評論國際學報, 第14卷2期
    Description: 碩士
    國立政治大學
    金融研究所
    98352009
    100
    Source URI: http://thesis.lib.nccu.edu.tw/record/#G0098352009
    Data Type: thesis
    Appears in Collections:[金融學系] 學位論文

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