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中国开放式基金基准组合正交特性的实证研究 被引量:1

Empirical Study of Benchmark Orthogonality Properties of Mutual Funds in China
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摘要 基准组合具有某种正交特性(orthogonality properties)。把管理者组合(P)分解为基准组合(B)和积极管理的组合(A),其中基准组合不包含管理者的私人信息。用M代表市场组合,研究得出:COV(B,A)=0,COV(A,M)=0。进一步推导得出:β[P,B]=1,β[P,M]=β[B,M]。本文通过对中国开放式基金市场各基金所声称的基准进行实证检验,得出了我国基金市场开放式基金基准组合并不具有正交特性的结果。 Abstract Orthogonality property is a nature of valid benchmark. Manager's portfolio (P) can be disaggregated as benchmark (B) and manager' s active investment judgments ( A ). There is no manager' s valuable information in bench-mark (B). By denoting M as the market proxy, the result is COV(B, A) = 0, COV(A, M) = 0 and β[ P, B] = 1, β[ P, M] =β[ B, M]. From empirical study of benchmark orthogonality properties of mutual funds in China, the research conclusion is that benchmark of mutual funds has no orthogonality properties in China.
机构地区 电子科技大学
出处 《电子科技大学学报(社科版)》 2008年第1期11-15,共5页 Journal of University of Electronic Science and Technology of China(Social Sciences Edition)
基金 教育部新世纪优秀人才支持计划资助项目(NCET-05-0811)
关键词 开放式基金 基准组合 正交特性 mutual funds benchmark orthogonality properties
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  • 1Sharpe Willian F.Mutual Fund Performance[].Journal of Business.1966
  • 2Abrevaya,J,Jiang,W.Pairwise-slopes statistics for testing cur vature[]..2001

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