问题
单项选择题
下列有关风险中性原理的说法不正确的是（）。
A．假设投资者对待风险的态度是中性的
B．假设所有证券的预期收益率都应当是有风险利率
C．风险中性的投资者不需要额外的收益补偿其承担的风险
D．在风险中性的世界里，将期望值用无风险利率折现，可以获得现金流量的现值
答案
参考答案：B
解析：
在风险中性原理中，假设所有证券的预期收益率都应当是无风险利率。
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下列有关风险中性原理的说法不正确的是（）。
A．假设投资者对待风险的态度是中性的
B．假设所有证券的预期收益率都应当是有风险利率
C．风险中性的投资者不需要额外的收益补偿其承担的风险
D．在风险中性的世界里，将期望值用无风险利率折现，可以获得现金流量的现值
参考答案：B
解析：
在风险中性原理中，假设所有证券的预期收益率都应当是无风险利率。
Mike always loves ships(轮船). When he was a child, he said, “I’m going to a naval soldier (海军士兵) when I grow up.” But his eyes were not very , so he could not join the navy(军队). Then he said, “I’m going to a ship and travel around the world.” But ships were very expensive, and Mike did not have enough . Last summer Mike found a swimming . He didn’t have to much for the lessons, so he began going to the school on weekends. Now he is a good swimmer. Last week a little boy said to him, “You’re a very good swimmer. do you learn to swim so well?” “I’m not good at all,” Mike said. “ I’m in the water, I say to myself, “There are fishes behind me!” Then I’m very afraid (害怕的), and I quickly.”
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