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