单独的保险市场最接近保守派自由竞争的理想，不但存在着巨大的行政成本，而且减少其它成本的方面并没有显示出什么能力。

The individual insurance market, which comes closest to the conservative ideal of free competition, has huge administrative costs and has no demonstrated ability to reduce other costs.

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但不同于目前的研究，其中涉及学校之间的排名竞争中，以前的研究没有涉及到竞争对手预先存在的现实世界中的地位构成威胁。

But unlike the current study, which involved competition between ranked schools, the earlier studies did not involve a threat to the competitors' preexisting real-world status.

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