You find a certain stock that had returns of 13 percent, −20 percent, 21 percent, and 12 percent for four of the last five years. The average return of the stock over this period was 9.3 percent. Required:
a. What was the stock’s return for the missing year?
b. What is the standard deviation of the stock’s returns?

List three major educational changes over the past 100 years that have positively influenced students. explain why these changes were influential.

Suppose the price of a complement to lcd televisions rises. what effect will this have on the market equilibrium for lcd tvs?

Complete the sentences. upper a decrease in current income taxes the supply of loanable funds today because it a. decreases; increases disposable income, which decreases saving b. has no effect on; doesn't change expected future disposable income c. decreases; decreases expected future disposable income d. increases; increases disposable income, which encourages greater saving upper a decrease in expected future income a. increases the supply of loanable funds today because households with smaller expected future income will save more today b. has no effect on the supply of loanable funds c. decreases the supply of loanable funds because it decreases wealth d. decreases the supply of loanable funds today because households with smaller expected future income will save less today