The figure above shows Clara's demand for CDs. If the price of a CD were to increase from $15 to $25, Clara's total consumer surplus for all the CDs she buys would
A) decrease by $40.
B) remain unchanged.
C) decrease by $90.
D) increase by $80.
A
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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. If Always There Wireless charges the highest fixed fee that it can without losing the low-demand consumers, which of the following is the most profitable price per minute?
A. $0.45 B. $0.49 C. $0.53 D. $0.57
In July 2011, $1 was worth 45 Indian rupees and in July 2012, $1 was worth 55 Indian rupees. We can therefore conclude that
A) the Indian rupee depreciated. B) the Indian rupee appreciated. C) the U.S. dollar has depreciated. D) the value of the U.S. dollar has fluctuated.
If the government wanted to reduce the quantity of a good traded, it could do so by: a. setting a price ceiling for the good below the equilibrium price. b. setting a price floor for the good above the equilibrium price. c. taxing the good more heavily
d. doing any of the above.
Suppose the world price of coffee is $3 per pound and Brazil's domestic price of coffee without trade is $2 per pound. If Brazil allows free trade, will Brazil be an importer or an exporter of coffee?