Twenty years ago, Dr. Montgomery borrowed money from her parents to pay her tuition at graduate school. Now she wants to pay them back. She gives them double what they gave her. According to the rule of 70, what interest rate would have given her parents the same amount of money if they had put it in the bank rather than lending it to their daughter?
a. 3.5 percent
b. 4.5 percent
c. 5 percent
d. 7 percent
a
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Suppose two companies, Macrosoft and Apricot, and considering whether to develop a new product, a touch-screen t-shirt. The payoffs to each of developing a touch-screen t-shirt depend upon the actions of the other, as shown in the payoff matrix below (the payoffs are given in millions of dollars). 
If Macrosoft and Apricot make their decision at the same time, then which of the following statements is correct?
A. The game has more than one Nash equilibrium. B. The game does not have a Nash equilibrium. C. The only Nash equilibrium is that both develop a touch-screen t-shirt. D. The only Nash equilibrium is that neither develops a touch-screen t-shirt.
At the equilibrium level of aggregate expenditure, what does aggregate expenditure equal? What happens at other levels of real GDP to bring about an equilibrium?
What will be an ideal response?
Under what conditions would firms be likely to support an industry-wide advertising ban?
What will be an ideal response?
In 1950 there were 16 individuals contributing to Social Security for every one person collecting benefits
a. True b. False