The choice of index tracking portfolio replication approaches is important to index fund management.

对指数跟踪组合复制方法进行选择是指数基金管理中的一个重要问题。

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Choosing a replication method to construct the index tracking portfolio is the problem that should be solved firstly in index tracking management.

选择一种复制方法构造指数跟踪组合是指数跟踪管理首先要解决的问题。

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Management of the rebalancing of tracking portfolio is one important aspect of the index tracking management.

指数跟踪组合的再平衡管理是指数跟踪管理的一个重要方面。

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The academic concept of efficient market theory that prices already reflect all available information has led to the creation of index-tracking funds that allow investors to own a diversified portfolio at very low cost.

ECONOMIST: Investment management

So these managers eschew the passive approach to tracking an index in favor of a semi-active approach to portfolio management.

FORBES: Enhanced Index Funds: Can They Deliver Low-Risk Returns?