Samantha decides to withdraw $10,000 from her savings account and invest it all in the stock market. Her total economic costs
A) equal $10,000.
B) are independent of the interest she enjoyed in her savings account.
C) are affected by the interest she enjoyed in her savings account.
D) are determined solely by the commission she is charged for the purchase of stock.
C
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Suppose Always There Wireless serves 100 high-demand wireless consumers, who each have a monthly demand curve for wireless minutes of QdH = 200 - 100P, and 300 low-demand consumers, who each have a monthly demand curve for wireless minutes of QdL = 100 - 100P, where P is the per-minute price in dollars. The marginal cost is $0.25 per minute. Suppose Always There Wireless charges $0.35 per minute. How many minutes will high-demand consumers purchase?
A. 65 B. 35 C. 75 D. 165
The cable and subscription TV business is plagued with the problem of "signal theft." People use illegal receivers to capture the company's signal without paying. Enforcement of the company's property right is very expensive. This problem emerges because TV signals are basically
a. economic goods. b. invisible goods. c. depletable goods. d. public goods.
Figure 10-17
With the passage of time, which of the following will tend to direct this economy in toward its long-run sustainable rate of output?
a.
lower interest rates that will stimulate AD and lower resource prices that will increase SRAS
b.
higher interest rates that will reduce aggregate demand and higher resource prices that will reduce SRAS
c.
lower interest rates and higher resource prices, both of which will stimulate aggregate demand
d.
higher interest rates that will reduce SRAS and lower resource prices that will stimulate aggregate demand
The demand curve for labor is the
A. marginal factor cost curve for labor. B. marginal physical product curve for labor times the wage rate. C. marginal physical product curve for labor. D. marginal revenue product curve for labor.