《微观经济学》试卷（A） 第 1 页（共 6 页） Grade Grader 内蒙古农业大学 2011/2012 学年第 一 学期 微观经济学课程考试试卷（A） Please print. If the answer is unrecognizable, it will be counted as wrong answer. You should answer in English or Chinese, numbers, or graphs. Ⅰ. Concepts（3 points each, total 15 points） 1. Opportunity cost 2. Externality 3. Deadweight loss 4. Competitive market 5. Diminishing marginal product Ⅱ. True or False Questions (2 points each，total 20 points) ( f ) 1.If apple and orange are substitutes, when price of apple increases, then the demand for orange decreases. ( f ) 2.The price elasticity of demand remains constant along a linear demand curve. ( t ) 3.When price ceiling is below equilibrium price in a competitive market, the price ceiling is binding, and there is shortage in the market. 题 号 一 二 三 四 五 总分 分 值 15 20 20 20 25 100 得 分 Grade Grader 《微观经济学》试卷（A） 第 2 页（共 6 页） Grade Grader ( t ) 4.Total surplus is the values to buyers minus the cost to sellers. ( f ) 5. When taxed is levied on the good in a competitive market, the tax revenue got by the government equals the fall in producer and consumer surplus. ( f ) 6. If the world price of a good exceeds the domestic price, the country should import the good instead to export it. ( t ) 7.In the presence of a negative externality, Qoptimum is therefore larger than the Qmarket. ( f ) 8.Price always equals to marginal revenue for all kinds of firms. ( t ) 9. Demand curve for a monopoly firm is the market demand curve. ( f ) 10.In the long run, monopolistic competitive firms produce at their lowest average total cost. Ⅲ. Single Choice Qu estions (2 points each，total...
