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學校名稱輔仁大學
系所名稱金融研究所
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學號493756074
研究生(中)吳曉松
研究生(英)Wu,Hsiao-Sung
論文名稱(中)資訊不對稱下,股票與選擇權知訊交易策略之研究
論文名稱(英)The Study of Insider Trading Strategies with Asymmetric Information in the Stock and Option Markets.
其他題名
指導教授(中)韓千山
指導教授(英)Han,Chien-Shan
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國圖全文開放日期.2006.08.04
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學位類別碩士
畢業學年度94
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語文別中文
關鍵字(中)微細結構 分離均衡 混合均衡 均衡報價 槓桿效果 操弄價格 逆向選擇
關鍵字(英)microstructure separating equilibrium pooling equilibrium leverage effect price manipulation adverse selection
摘要(中)Easley & O’Hara(1992)在單期模型當中,引進兩種不確定性,造市者不確定交易者為流動性交易者或是知訊者,同時也不確定資訊事件是否發生。並提出了一種均衡策略滿足造市者訂價以及知訊者的交易行為。 本文延伸Easley & O’Hara(1992)的單期(one-shot)交易模型,假設資訊事件必定發生並考慮開放選擇權對股票市場交易以及考慮無風險利率折現的影響。本文發現在股票市場交易條件無風險利率會影響知訊者會採取大額交易或是混合數量交易。 另外,在開放選擇權之後,可以觀察到在避免知訊者有操弄價格的情形之下,必須對槓桿倍數 加以設定之下,由於知訊者若是於股票市場中大額交易之後,訂單數量資訊流入選擇權市場後,造市者會將買權價格提高來保護自己,使得知訊者原本在股票市場大額交易的條件會變得更為薄弱,而知訊者更會有動機交易混合訂單數量。
摘要(英)Easley & O’Hara(1992) provide two uncertainty in their one-shot model.Market makers do not understand the type of his trading matches—liquidity trader or informed trader and whether the informed trading happen. They provide an equilibrium strategy which can satisfy a market maker and an informed trader trade behavior. In this article I extend the above one-shot model that assume the informed trading must happen and consider incorporating options how affect the stock market. I find that the risk-free rate could affect informed traders adapt large size or mix their trading quantity . And I constrain leverage in order to avoid informed trades manipulating prices. Informed traders trade large quantity in the stock market, since the order information could flow to the option market, market maker could rise call option price to prevent loss from trades. The condition that informed traders trade in large quantity could not be strong and informed traders have the motivation to trade mixed amounts in the stock market.
論文目次第一章 緒論……………………………………………………………1 第二章 文獻探討………………………………………………………3 第一節 委託單(order-driven)驅動市場…………………………………………3 第二節 報價單(quote-driven)驅動市場………………………………………...6 第三節 股票與選擇權市場並存下之交易行為………………………………..7 第三章 模型訊息結構與均衡推導……………………………………..9 第一節 股票市場……………………………………………………………….9 第二節 股票市場均衡價格與知訊者交易條件分析………………………..15 第三節 選擇權開放對股票交易的影響……………………………………..16 第四節 股票與選擇權市場均衡價格與知訊者交易條件分析……………..28 第四章 結論與建議……………………………………………………30 第一節 研究結論……………………………………………………………...30 第二節 研究建議……………………………………………………………..31 參考文獻………………………………………………………………..32
參考文獻Admati, A .and Pfleiderer, P.(1988), ”A Theory of Intraday Patterns:Volume and Price Variability, ” The Review of Financial Studies , Vol.1 , 3- 40. Admati, A. R.(1985), ”A Noisy Rational Expectations Equilibrium for Multi-Asset Securities Market, ” Econometrica , Vol.53 , 629-657. Chowdhry, B. and V. Nanda(1991), ”Multimarket Trading and Market Liquidity,” The Review of Financial Studies, Vol.4,483-511. Easely, D. and O’Hara, M.(1992),”Price Trade Size, and Information In Securities Markets,” The Journal of Financial Economics, Vol.19,90-90. Kerry,B.(1992),”Insider Trading in Continuous Time,” The Review of Financial Studies, Vol.5,387-409. Kerry,B.(1993),”Asymmetric Information and Options,” The Review of Financial Studies, Vol.6,435-472. Kyle, A.(1985), “Continuous Auctions and Insider Trading, ” Econometrica , Vol.53,1315-1336. Steigerwald D. and Vagnoni R.(2001),”Option Market Microstructure and Stochastic Volatility,” Departmental Working Papers(University of California ,Santa Brabara). Subrahmanyam, A.(1991), ”Risk Aversion, Market liquidity, and Price Efficiency,” The Review of Financial Studies, Vol.4 ,417-441.
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異動記錄M admin Y2008.M7.D3 23:18 61.59.161.35