商业经济与管理
商業經濟與管理
상업경제여관리
Business Economics and Administration
2005年
9期
53~57
,共null页
封闭式基金 半标准差 上方风险 下方风险
封閉式基金 半標準差 上方風險 下方風險
봉폐식기금 반표준차 상방풍험 하방풍험
close- ended fund; half standard deviation; upside risk; downside risk
本文认为,在不允许卖空的证券市场中,证券收益率的向上波动是大多数投资者的行为偏好所致,以证券收益率的方差作为投资风险测度的马克维茨(Markowitz)模型并不适合这一市 场类型.文章指出,依据统计学半标准差的方法可以区分投资过程的上方风险和下方风险;同时,如果考虑证券收益率的均值,则可以运用行为均值半标准差综合收益率方法,探索出一种新的封闭式基金投资价值的分析方法.本文的分析可视为对封闭式基金投资价值之评判的一种新的理解.
本文認為,在不允許賣空的證券市場中,證券收益率的嚮上波動是大多數投資者的行為偏好所緻,以證券收益率的方差作為投資風險測度的馬剋維茨(Markowitz)模型併不適閤這一市 場類型.文章指齣,依據統計學半標準差的方法可以區分投資過程的上方風險和下方風險;同時,如果攷慮證券收益率的均值,則可以運用行為均值半標準差綜閤收益率方法,探索齣一種新的封閉式基金投資價值的分析方法.本文的分析可視為對封閉式基金投資價值之評判的一種新的理解.
본문인위,재불윤허매공적증권시장중,증권수익솔적향상파동시대다수투자자적행위편호소치,이증권수익솔적방차작위투자풍험측도적마극유자(Markowitz)모형병불괄합저일시 장류형.문장지출,의거통계학반표준차적방법가이구분투자과정적상방풍험화하방풍험;동시,여과고필증권수익솔적균치,칙가이운용행위균치반표준차종합수익솔방법,탐색출일충신적봉폐식기금투자개치적분석방법.본문적분석가시위대봉폐식기금투자개치지평판적일충신적리해.
In this article, we believe that, in the securities market which does not permit to sell short, the upward undulation of securities returns ratio is the result of the most investors' behavior predilection. The Markowitz model regarding the variance of securities returns ratio as the measure of investment risk does not suit this type of market. We point out that we can distinguish in the investment process upside risk trom downside risk based on the method of half standard difference in statistics. If considering the mean value of securities returns ratio at the same time, and by using the method of behavior mean half standard deviation comprehensive returns ratio, we can get one kind of new method of analyzing close - ended fund investment value. The analysis in this article may be regarded as one kind of new understanding of the judgment of close - ended fund investment value.