According to the optimal portfolio theory, where should portfolios lie?______.

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问题 According to the optimal portfolio theory, where should portfolios lie?______.

选项 A、Under the efficient frontier
B、Above the efficient frontier
C、On the efficient frontier
D、Anywhere, as long as the portfolio is diversified

答案C

解析 答案为C项。optimal portfolio theory“最优资产组合理论”。根据该理论,最优组合应位于有效边界(efficient frontier)上,并同时位于投资者的无差异曲线上,而且应位于左上方的无差异曲线上。
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