Suppose one could either rent a car or take a train to travel to Chicago from Washington, D.C. If the price of train tickets increases: A.the demand for rental cars will decrease. B.the demand for train tickets will decrease. C.the demand for rental cars will increase. D.the dema … 阅读详情>> "Suppose one could either rent a car or take a train to travel to Chicago from Washington, D.C. If the price of train tickets increases:"

Suppose that the price of doughnuts decreases and that doughnut-holes are a by-product of producing doughnuts. One would expect: A.the supply of doughnut-holes to increase. B.the supply of doughnuts to decrease. C.the quantity supplied of doughnuts to decrease. D.the quantity sup … 阅读详情>> "Suppose that the price of doughnuts decreases and that doughnut-holes are a by-product of producing doughnuts. One would expect:"

For two goods X and Y to be classified as substitutes, it must be the case that: A.when the price of X rises, the demand for Y decreases. B.X and Y are identical. C.consumers tend to purchase both items. D.when the price of X rises, the demand for Y increases. 正确答案：when the price … 阅读详情>> "For two goods X and Y to be classified as substitutes, it must be the case that:"

At the beginning of the fall semester, college towns experience large increases in their populations, causing a(n): A.increase in the demand for apartments. B.decrease in the quantity of apartments demanded. C.increase in the supply of apartments. D.decrease in the quantity of ap … 阅读详情>> "At the beginning of the fall semester, college towns experience large increases in their populations, causing a(n):"

Suppose one observes that when the price of peanut butter increases, the demand for jelly increases. One must conclude that: A.peanut butter and jelly are complements. B.peanut butter and jelly are inferior goods. C.peanut butter and jelly are normal goods. D.peanut butter and je … 阅读详情>> "Suppose one observes that when the price of peanut butter increases, the demand for jelly increases. One must conclude that:"

Refer to the figure above. Demand for coffee last Monday is shown in bold and labeled D(Monday). On Tuesday, the news featured a story about a storm that wiped out the entire coffee crop in Brazil. On Wednesday: A.demand shifted to D(A) in anticipation of future price increases. … 阅读详情>> "Refer to the figure above. Demand for coffee last Monday is shown in bold and labeled D(Monday). On Tuesday, the news featured a story about a storm that wiped out the entire coffee crop in Brazil. On Wednesday:"

Refer to the figure above. Demand for coffee last Monday is shown in bold and labeled D(Monday). On Tuesday, the news featured a story explaining that the coffee crop has been contaminated with disease-causing bacteria. The following week: A.the demand function remained at D(Mond … 阅读详情>> "Refer to the figure above. Demand for coffee last Monday is shown in bold and labeled D(Monday). On Tuesday, the news featured a story explaining that the coffee crop has been contaminated with disease-causing bacteria. The following week:"

Suppose that a disease that affects people who consume beef has been discovered in the United States. One likely result is: A.a decrease in the quantity demanded of beef. B.a decrease in demand for beef. C.an increase in buyers’ reservation prices for beef. D.a decrease in demand … 阅读详情>> "Suppose that a disease that affects people who consume beef has been discovered in the United States. One likely result is:"

Assume consumers eat either rice or pasta for dinner every night. If the price of rice increases, in the pasta market one would expect to see: A.a decrease in the quantity of pasta demanded. B.an increase in the quantity of pasta demanded. C.a decrease in the demand for pasta. D. … 阅读详情>> "Assume consumers eat either rice or pasta for dinner every night. If the price of rice increases, in the pasta market one would expect to see:"

Suppose that two recent studies conclude that increased fiber in the diet does not reduce the risk of developing colon cancer as was previously thought. The likely result will be that the: A.price of high-fiber foods will rise. B.supply of high-fiber foods will increase. C.quanti … 阅读详情>> "Suppose that two recent studies conclude that increased fiber in the diet does not reduce the risk of developing colon cancer as was previously thought. The likely result will be that the:"

Refer to the figure above. Moving from demand curve D1 to demand curve D2 illustrates a(n): A.increase in quantity demanded. B.decrease in quantity demanded. C.decrease in demand. D.increase in demand. 正确答案：increase in demand.

Refer to the figure above. Moving from demand curve D2 to demand curve D1 could be caused by a(n): A.increase in consumers’ incomes. B.increase in the price of a substitute. C.increase in the price of a complement. D.increase in quantity supplied. 正确答案：increase in the price of a … 阅读详情>> "Refer to the figure above. Moving from demand curve D2 to demand curve D1 could be caused by a(n):"