金融理论与实践
金融理論與實踐
금융이론여실천
Financial Theory and Practice
2013年
5期
20~25
,共null页
正反馈交易 DSSW模型 股票 价格波动
正反饋交易 DSSW模型 股票 價格波動
정반궤교역 DSSW모형 고표 개격파동
positive feedback trading; DSSW model; stock; price fluctuation
DSSW模型描述了在理性交易者和非理性交易者数量相等的设定下,正反馈交易者的交易行为以及金融资产价格的波动情况。针对中国股市特征,建立了扩展的六状态DSSW模型,讨论了信息交易者利用信息优势,借助正反馈交易者的跟风行为,操纵股价大幅波动,获取超额收益的行为。利用该模型分析了“庄家”内幕交易的五个阶段及其特征,据此提出建议:完善信息披露机制,加强对特殊波动股票的监控,改变股票盈利模式,树立价值投资理念。
DSSW模型描述瞭在理性交易者和非理性交易者數量相等的設定下,正反饋交易者的交易行為以及金融資產價格的波動情況。針對中國股市特徵,建立瞭擴展的六狀態DSSW模型,討論瞭信息交易者利用信息優勢,藉助正反饋交易者的跟風行為,操縱股價大幅波動,穫取超額收益的行為。利用該模型分析瞭“莊傢”內幕交易的五箇階段及其特徵,據此提齣建議:完善信息披露機製,加彊對特殊波動股票的鑑控,改變股票盈利模式,樹立價值投資理唸。
DSSW모형묘술료재이성교역자화비이성교역자수량상등적설정하,정반궤교역자적교역행위이급금융자산개격적파동정황。침대중국고시특정,건립료확전적륙상태DSSW모형,토론료신식교역자이용신식우세,차조정반궤교역자적근풍행위,조종고개대폭파동,획취초액수익적행위。이용해모형분석료“장가”내막교역적오개계단급기특정,거차제출건의:완선신식피로궤제,가강대특수파동고표적감공,개변고표영리모식,수립개치투자이념。
Under the enactment of number equal model describes the behavior of positive feedback of rational traders and irrational traders, the DSSW traders and price fluctuation of financial asset. Aims at the character of Chinese stock market, this paper builds an extended six state DSSW model. This model describes information dealers take advantage of private information to attract positive feedback dealers buy stocks, so that they can control the stock price greatly fluctuating and gain excess returns. By the use of this model, it analyses the characters of five phases of Banker' s inside trading. At last pol- icy advices are given: improve information disclosure mechanism, strengthen the monitoring of special fluctuation stocks, change the stock profit model, set uo the value investment idea.