Research result demonstrates that large fund family contains stronger persistence of performance, and there is no specific relationship between fund manager and fund performance.
实证研究结果表明：大基金家族业绩持续性更强，基金经理变动与业绩不相关。
Study of the persistence of mutual fund performance has very important significance in the theoretical and practical area.
对基金业绩持续性的研究在理论和实践上都有着重要的意义。
The effectiveness and predictability of mutual fund rating system can be tested by the empirical research for the persistence of fund performance.
通过持续性实证研究可以检验基金评级体系的有效性和可预测性。
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