微观经济学 第二章 供给与需求.docx

微观经济学第二章供给与需求姓名：填空题*Which of the following is not a characteristic of a perfectly competitive market?单项选择 题*Sellers set the price of the product.:确答案）There are many sellers.Buyers must accept the price the market determines.All of the above are characteristics of a perfectly competitive market.1. When all market participants are price takers who have no influence over prices, the markets have 单项选择题*only a few buyers and sellers.numerous sellers but only a few buyers.numerous buyers but only a few sellers.numerous buyers and sellers.正确答案）An example of a perfectly competitive market would be the 单项选择题求cable TV market.soybean market.（正确答案）breakfast cereal market.shampoo market.2. An increase in quantity demanded 单项选择题*results in a movement downward and to the right along a demand curve. E确答案）19. The graph shows which of thefollowing?单项选择题an increase in demand and an increase in quantity supplied 确答案）an increase in demand and an increase in supplyan increase in quantity demanded and an increase in quantity suppliedan increase in quantity demanded and an increase in supply20. The graph shows which of the单项选择题*following?an increase in demand and an increase in quantity suppliedan increase in demand and an increase in supplyan increase in quantity demanded and an increase in quantity suppliedan increase in quantity demanded and an increase in supply E确答案）21. Which of the four panels illustrates a decrease in quantity demanded?Panel (a)Panel (b)1单项选择题Panel (a)Panel (b)Panel (c)Panel (d)(正确答案)Which of the four panels represents the market for winter coats as we progress from winter to spring?Panel (b)1Panel (a)八夕法Panel (d)*3单项选择题Panel (a)Panel (b)(正确答案)Panel (c)Panel (d)22. In a market, the price of any good adjusts until quantity demanded equals quantity supplied.判断题*对（正确答案）23. Price will rise to eliminate a shortage.判 断题*对（正确答案）错An increase in the price of cotton will increase the equilibrium price and decrease the equilibrium quantity in the market for cotton t-shirts.判断题*对（正确答案）错results in a movement upward and to the left along a demand curve.shifts the demand curve to the left.shifts the demand curve to the right.5. A decrease in the price of a good would单项选择题*increase the supply of the good.increase the quantity demanded of the good. E确答案）give producers an incentive to produce more to keep profits from falling.shift the supply curve for the good to the left.6. To obtain the market demand curve for a product, sum the individual demand curves 一单项选择题*vertically.diagonally.horizontally. E确答案）and then average them.7. Which of the following events would cause a movement upward and to the left along the demand curve for olives?单项选择题*The number of people who purchase olives decreases.Consumer income decreases, and olives are a normal good.The price of pickles decreases, and pickles are a substitute for olives.The price of olives rises.正确答案）A movement upward and to the right along a supply curve is called a（n）单项选择题*increase in supply.decrease in supply.decrease in quantity supplied.increase in quantity supplied. E确答案）Which of the following changes would not shift the supply curve for a good or service? 单项选择题*a change in production technologya change in the price of the good or service 确答案）a change in expectations about the future price of the good or servicea change in input prices8. Wheat is the main input in the production of flour. If the price of wheat decreases, then we would expect the 单项选择题*demand for flour to increase.demand for flour to decrease.supply of flour to increase.：正确答案）supply of flour to decrease.9. Which of the following events must result in a higher price in the market for Snickers? 单项选择题*Demand for Snickers increases, and supply of Snickers decreases. :确答案）Demand for Snickers and supply of Snickers both decrease.Demand for Snickers decreases, and supply of Snickers increases.Demand for Snickers and supply of Snickers both increaseWhich of the following events would unambiguously cause a decrease in the equilibrium price of cotton shirts?单项选择题* an increase in the price of wool shirts and a decrease in the price of raw cottona decrease in the price of wool shirts and a decrease in the price of raw cotton 确答案）an increase in the price of wool shirts and an increase in the price of raw cottona decrease in the price of wool shirts and an increase in the price of raw cottonThe graph pertains to the supply of paper to colleges and universities. All else equal, an increase in the price of the pulp used in the paper production process would cause aPrice of paper单项选择move from题*x to y.y to x.SA to SB.SB to SA.（正确答案）The graph pertains to the supply of paper to colleges and universities. All else equal, sellers expecting the price of paper to decrease next month when many college studentsleave campuses for the summer would cause a current movePrice of paperPrice of paperquantityfrom单项选择题*x to y.y to x.SA to SB.（正确答案）SB to SA.10. The graph pertains to the supply of paper to colleges and universities. All else equal, a major paper manufacturer filing for bankruptcy and shutting down as a result of an IRStax evasion investigation would cause a move fromPrice of paperPrice of paper单项选择题*x to y.y to x.SA to SB.SB to SA.（正确答案）The graph pertains to the supply of paper to colleges and universities. All else equal, an increase in the use of laptop computers for note-taking would cause a move fromPrice of paper单项选择题*x to y.y to x.（正确答案）SA to SB.SB to SA.11. The graph pertains to the supply of paper to colleges and universities. All else equal, buyers expecting paper to be more expensive in the future would cause a current movePrice of paperPrice of paperfrom单项选择题*X to y.（正确答案）y to x.SA to SB.SB to SA.12. The graph pertains to the supply of paper to colleges and universities. All else equal, the return of college students to campus in the fall would cause a movePrice of paperPrice of paperfrom单项选择题*x toy.（正确答案）y to x.SA to SB.SB to SA.