2021 经济学原理(北京语言大学) 最新满分章节测试答案

文章目录[隐藏]

Chapter 6： Perfect Competition Mid-Term Exam
【作业】Chapter 8： Monopoly Homework
【作业】Chapter 10： Oligopoly and Game Theory Homework
【作业】Chapter 11： GDP： Measuring Total Production and Income Homework
【作业】Chapter 12：Unemployment and Inflation Homework
Chapter 14：The Aggregate Expenditure Model Mid-Term Exam

本答案对应课程为:点我自动跳转查看
本课程起止时间为:2021-09-24到2022-01-22

Chapter 6： Perfect Competition Mid-Term Exam

1、问题:If the price of oil, a close substitute for coal, increases, then
选项：
A:the supply curve for coal will shift to the right.
B:the demand curve for coal will shift to the right.
C:the equilibrium price and quantity of coal will not change.
D:the quantity of coal demanded will decline.
答案: 【the demand curve for coal will shift to the right.】

2、问题:Identify which one of the following is a normative statement:
选项：
A:the high temperature today was 35 degrees.
B:it was hotter today than yesterday.
C:a kilogram of shrimp is more expensive than a kilogram of potato in the supermarket.
D:shrimp is more delicious than potato.
答案: 【shrimp is more delicious than potato.】

3、问题:A shift in the supply curve of bicycles that results from higher steel prices will lead to
选项：
A:higher prices
B:lower prices
C:a shift of the demand curve
D:larger output
答案: 【higher prices】

4、问题:The budget line
选项：
A:determines an individual’s optimal consumption basket.
B:will not shift at all if the prices of both commodities increase and income is unchanged.
C:determines an individual’s possible consumption baskets.
D:is a straight line whose slope is given by the rate of inflation.
答案: 【determines an individual’s possible consumption baskets.】

5、问题:Marginal cost equals
选项：
A:total cost divided by total output.
B:the change in total cost associated with an additional unit of output.
C:the change in average cost.
D:the slope of the average cost curve.
答案: 【the change in total cost associated with an additional unit of output.】

6、问题:An economist’s definition of profit differs from that of an accountant because
选项：
A:the economist is only interested in marginal cost and marginal revenue.
B:the economist includes the opportunity cost of owner-supplied inputs in total cost.
C:accountants cannot maximize.
D:economists cannot add or subtract correctly.
答案: 【the economist includes the opportunity cost of owner-supplied inputs in total cost.】

7、问题:An increase in fixed cost will affect which of the following?
选项：
A:Marginal cost
B:Average variable cost
C:Average total cost
D:Marginal revenue
答案: 【Average total cost】

8、问题:A firm will shut down in the short run if
选项：
A:P < AVC
B:P > AVC
C:P < MC
D:P > MC
答案: 【P < AVC】

【作业】Chapter 8： Monopoly Homework

1、问题:1. The demand and supply functions are as follows:Qd=3550-266PQs=1800+240PCalculate the price elasticity of demand and the elasticity of supply at the equilibrium point.