并通过效率分析和差额变数分析，探讨基金无效率的原因及优化目标；

And discusses the reason and improvement way of inefficient funds through the efficiency analysis and the differential variable analysis;

youdao

并通过效率分析和差额变数分析，探讨基金无效率的原因及优化目标；

And discusses the reason and improvement way of inefficient funds through the efficiency analysis and the differential variable analysis;

youdao