97免费在线观看视频,亚洲综合自拍网,黄色毛片免费观看,热久久综合网,免费看日产一区二区三区 狠狠操av,久久久涩涩涩,在线精品免费视频,人人插天天干,久久91精品国产91久久

單項選擇題

Which of the following statements is least likely to be an assumption about investor behaviour underlying the Markowitz model?()

A.Investors maximize one-period expected return
B.Investors base their decisions solely on expected return and risk
C.Investors have utility curves that are a function of expected returns and variance

微信掃碼免費搜題