2024知到答案 经济学导论（西安邮电大学） 最新智慧树满分章节测试答案
第一章 单元测试
1、判断题：
Economics is a complex discipline that is not closely related to people's daily lives.（ ）
选项：
A:对
B:错
答案: 【错】
2、多选题：
Opportunity costs include（ ）。
选项：
A:Labor costs
B:explicit cost
C:implicit costs
D:economic cost
答案: 【explicit cost;
implicit costs】
3、单选题：
The proposer of 'invisible hand' is（ ）。
选项：
A:Ludwig Elhard
B:Neumann
C:Shannon
D:Adam Smith
答案: 【Adam Smith】
4、判断题：
In Monetarism economics, the reason is that when the amount of money issued in the market exceeds the circulation demand, paper money will depreciate, leading to a decline in purchasing power, which is inflation.（ ）。
选项：
A:错
B:对
答案: 【对】
5、判断题：
There is a fundamental difference between empirical expression and normative expression, as they are usually conceptually unrelated.（ ）
选项：
A:错
B:对
答案: 【错】
第二章 单元测试
1、单选题：
Which of the following best describes how a company can become a monopoly? （ ）
选项：
A:By actively promoting competition in the marketplace
B:By reducing production costs through economies of scale
C:By offering a unique product with high demand
D:By controlling the entire supply chain through vertical integration
答案: 【By controlling the entire supply chain through vertical integration】
2、单选题：
In the context of the long-run equilibrium in a competitive industry, what does it mean when the demand curve (AR) is tangential to the firm's long-run average cost curve? （ ）
选项：
A:The firm is maximizing its production output.
B:The firm is earning normal profits.
C:The firm is experiencing supernormal profits.
D:The firm is operating at a loss.
答案: 【The firm is earning normal profits.】
3、单选题：
What strategy do firms sometimes use to avoid the appearance of price-fixing and maintain stability in a collaborative group? （ ）
选项：
A:Setting prices independently based on market conditions
B:Following a recognized price leader
C:Using phases of the moon to determine prices
D:Engaging in aggressive price competition
答案: 【Following a recognized price leader】
4、单选题：
What term is used to describe the costs associated with the production, distribution, and consumption of economic goods and services that are not included in the market price and are sometimes referred to as social costs? （ ）
选项：
A:Variable Costs
B:Internal Costs
C:Direct Costs
D:External Costs
答案: 【External Costs】
5、判断题：
An Economic Bubble is an economic cycle characterized by rapid expansion followed by a contraction. （ ）
选项：
A:错
B:对
答案: 【对】
6、单选题：
The law of demand represents the relationship between （ ）.
选项：
A:Income and quantity supplied
B:Income and quantity demanded
C:Price and quantity demanded
D:Price and quantity supplied
答案: 【Price and quantity demanded】
7、判断题：
External economies of scale are unique to a firm and affect the entire industry or sector. （ ）
选项：
A:对
B:错
答案: 【错】
8、单选题：
Which of the following accurately describes the production possibility frontier (PPF)? （ ）
选项：
A:The PPF represents the allocation of resources that makes one individual better off without making anyone else worse off.
B:The PPF represents the maximum amount of resources that can be allocated to one specific good.
C:The PPF represents the market equilibrium where no more Pareto improvements can be made.
D:The PPF represents all possible combinations of resources that yield market efficiency.
答案: 【The PPF represents all possible combinations of resources that yield market efficiency.】
9、多选题：
Which of the following are examples of explicit costs in the context of opportunity cost? （ ）
选项：
A:Purchasing stocks or options.
B:Foregone rental income from a vacation home.
C:Wages paid to employees.
D:Spending money on improving a rental property.
答案: 【Purchasing stocks or options.;
Wages paid to employees.;
Spending money on improving a rental property.】