【单选题】Suppose you invest in 100 shares of Merck (MRK) at $40 per share and 100 shares of Yahoo (YHOO) at $25 per share. If the price of Merck increases to $50 and the price of Yahoo decreases to $20 per sha...
【判断题】When you use the money from selling your house to invest in a Treasure bond, the return rate on holding the house is the appropriate discount rate to evaluate if the investment in Treasure bond is wor...
【简答题】Suppose the same as in the previous problem prefers to invest in your portfolio a proportion (y) that maximizes the expected return on the overall portfolio subject to the constraint that the o...