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