The world of risk neutral is an imaginary world in which the expected return rate of all risky assets equals to risk-free return rate.

风险中性的世界是一个假想的世界，在风险中性世界中所有风险资产的预期收益率等于无风险收益率。

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The article brings forward that qualified and useful risk-free return rate can be found through researching on the basis of analyzing the successful utilization in America.

本文提出了在借鉴美国投资者无风险收益率选择成功经验的基础上通过分析研究，努力找到符合标准并在我国适用的无风险收益率。

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But in more exotic asset classes, the long-term expected return may be zero, or at least less than the risk-free rate.

但是在那些奇特的金融产品中，长长期望后的回报可能是零，或者最终低于无风险利率。

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And because they have zero expected return, they are inferior to the rate of risk-free return.

FORBES: The Efficient Frontier

Thus, the compensation for having to wait for the money should be that T-Bill rate: the available risk free return.

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