Chichilnisky)曾证明,在一组足够宽泛的关于社会选择机制的假设下,有限套利(limited arbitrage)是一般均衡存在性的充分 且必要条件,也是阿罗不可能性定理的充分且必要条件。
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Many hedge fund strategies, particularly arbitrage strategies, are limited as to how much capital they can successfully employ before returns diminish.
许多对冲基金策略,特别是套利策略,是有限的资金多少,他们可以成功地利用返回前减少。
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Yet there may be only limited opportunities for arbitrage, so that what is profitable on a small scale becomes much less profitable as the bet grows and more funds are involved.
ECONOMIST: Hedge funds
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