按直线与三个投影面之间的相对位置,可分为:______ 和特殊位置直线,其中特殊位置直线又分为:______ 线,______ 线。
Question 8 The covariance of rates of return on two securities is most accurately described as the correlation of the asset returns:
A. divided by the product of the assets’ standard deviations of returns.
B. multiplied by the product of the assets’ variances of returns.
C. multiplied by the product of the assets’ standard deviations of returns.
D. divided by the product of the assets’ variances of returns.
Question 4 The term structure of interest rate theory that says long-term maturities have greater market risk than shorter maturities is called the:
A. market segmentation theory.
B. preferred habitat theory.
C. liquidity preference theory.
D. pure expectations theory.