榴同学2022-07-26 00:49:11
这个解析是什么呀 找不到答案了
回答(1)
Adam2022-07-26 10:42:53
同学你好,
这题正确选项是D。
Both are linear factor models. In regard, to (C), APT can use market-related, macro, fundamental, firm-specific, and/or statistical factors. But (D) is a key difference: APT does not require that a market portfolio of all risky assets.
Recall this requirement is a critical weakness of CAPM. The APT is marvelously flexible. We can concentrate on any desired group of stocks. Among any group of N stocks, there will be an efficient frontier for portfolios made up of the N risky stocks.
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