【单选题】Consider the industry for product X in the USA , demand is given by p=8-Q/SA, where p is price, Q is total output, and SA is a measure of market size, SA=1800. Suppose that firms compete a la Cournot ...
【简答题】Suppose that there are many stocks in the security market and that the characteristics of stocks A and B are given as follows: Stock Expected Return Standard Deviation A 10% 5% B 15 10 Correlation =...