Welfare economics - Exam
Welfare economics
  • 1. Welfare economics is a branch of economics that focuses on the optimal allocation of resources and goods to maximize social welfare. It seeks to evaluate and improve the well-being of individuals and society as a whole by analyzing market outcomes and policies. Welfare economists study how various factors such as income distribution, externalities, public goods, and market failures impact overall social welfare. Their aim is to design efficient and equitable policies that enhance societal welfare and promote economic prosperity while considering trade-offs and ethical considerations.

    Who introduced the concept of Pareto efficiency in welfare economics?
A) Adam Smith
B) Vilfredo Pareto
C) Milton Friedman
D) John Maynard Keynes
  • 2. Which approach in welfare economics focuses on improving social welfare by maximizing utility?
A) Monetarism
B) Laissez-faire
C) Keynesian economics
D) Utilitarianism
  • 3. What does the term 'market failure' refer to in welfare economics?
A) Excessive government regulation in the market
B) When markets do not allocate resources efficiently
C) Successful coordination of supply and demand
D) Economic prosperity reached through competition
  • 4. What distinguishes positive externalities in welfare economics?
A) Costs borne by those who did not benefit from a transaction
B) Negative impacts on market efficiency
C) Benefits received by individuals not directly involved in a market transaction
D) Direct financial gains from market exchanges
  • 5. Which of the following is an example of a regressive tax?
A) Progressive tax
B) Value-added tax
C) Sales tax
D) Income tax
  • 6. Which of the following is an example of a public good in welfare economics?
A) Luxury cars
B) Designer clothing
C) National defense
D) Fast food
  • 7. If a market is perfectly competitive and there are no externalities, which outcome is most likely to result according to welfare economics?
A) Regulatory capture
B) Monopoly pricing
C) Market failure
D) Pareto efficiency
  • 8. What is the Gini coefficient used to measure in the context of welfare economics?
A) Market demand
B) Income inequality
C) Inflation rate
D) Labor force participation
  • 9. Which of the following is not a reason for market failure according to welfare economics?
A) Perfect competition
B) Externalities
C) Public goods
D) Information asymmetry
  • 10. What is Arrow's impossibility theorem related to?
A) Market equilibrium theory.
B) Game theory.
C) Behavioral economics.
D) Social choice theory.
  • 11. Which economic school of thought emphasizes the importance of consumer surplus in welfare economics?
A) Austrian economics
B) Keynesian economics
C) Neoclassical economics
D) Marxist economics
  • 12. From where can utility functions be derived in the context of social welfare maximization?
A) Points on a contract curve
B) The production possibility frontier
C) The social indifference curve
D) The grand utility frontier
  • 13. What is meant by the term 'Pareto improvement' in welfare economics?
A) Government intervention to redistribute wealth
B) A strategy to increase overall market competition
C) Any policy change that reduces taxes
D) A change that benefits at least one person without making anyone else worse off
  • 14. In normative terms, which tradition do the early Neoclassical authors align with?
A) Marxist tradition
B) Benthamite tradition
C) Keynesian tradition
D) Austrian tradition
  • 15. What is a natural monopoly characterized by?
A) Long run declining average costs.
B) Constant average costs.
C) Short run declining average costs.
D) Increasing average costs in the long run.
  • 16. What does the term 'consumer surplus' represent in welfare economics?
A) Total cost of production for a given product
B) Tax revenue generated from consumer spending
C) The difference between what consumers are willing to pay for a good/service and what they actually pay
D) Profit margin for producers
  • 17. What does the first fundamental theorem capture?
A) The principle of redistribution.
B) The logic of Adam Smith's invisible hand.
C) The idea of market failure.
D) The concept of perfect competition.
  • 18. What is the basis of utilitarianism in welfare economics?
A) Maximizing overall happiness or utility in society
B) Promoting individual rights and liberties
C) Minimizing government intervention in economic activities
D) Encouraging competition for market efficiency
  • 19. What did Kenneth Arrow test in 1951?
A) The validity of utilitarianism in economics.
B) The impact of government intervention on welfare.
C) Whether rational collective selection rules could derive social welfare functions from individual preferences.
D) The efficiency of competitive markets.
  • 20. What theoretical foundation does welfare economics provide for public economics?
A) Supply and demand analysis.
B) Monetary policy.
C) Game theory.
D) Cost–benefit analysis.
  • 21. Which theorem is sometimes considered the third fundamental theorem of welfare economics?
A) Smith's invisible hand theorem
B) Keynesian equilibrium theorem
C) Pareto's efficiency theorem
D) Arrow's impossibility theorem
  • 22. What is the role of taxes in achieving efficiency?
A) Taxes have no impact on market efficiency
B) Taxes are only used for revenue generation
C) Taxes can counteract inefficiencies like externalities.
D) Taxes always lead to inefficiency
  • 23. What was the common view of welfare economics until 1951?
A) It dealt with international trade policies.
B) It was concerned with actions an omnipotent social planner should undertake.
C) It focused on individual utility maximization.
D) It was primarily about market efficiency.
  • 24. What is the shape of a Max-Min social indifference curve?
A) Linear and downward sloping to the right.
B) Circular in shape.
C) Two straight lines forming a 90-degree angle.
D) Upward sloping to the right.
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