The experiment verifies that the tracking precision of index fund is improved after combining different information with Stein rule in the index tracking.
实证结果表明，应用斯坦规则结合不同信息进行指数跟踪，指数跟踪精度得到了提高。
The experiment verifies that the tracking precision of index fund is improved after combining different information with Stein rule in the index tracking.
实证结果表明，应用斯坦规则结合不同信息进行指数跟踪，指数跟踪精度得到了提高。
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