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Welfare economics - Exam
Contributed by: O'Reilly
  • 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) Milton Friedman
B) Adam Smith
C) John Maynard Keynes
D) Vilfredo Pareto
  • 2. Which approach in welfare economics focuses on improving social welfare by maximizing utility?
A) Keynesian economics
B) Utilitarianism
C) Laissez-faire
D) Monetarism
  • 3. What does the term 'market failure' refer to in welfare economics?
A) When markets do not allocate resources efficiently
B) Economic prosperity reached through competition
C) Excessive government regulation in the market
D) Successful coordination of supply and demand
  • 4. What distinguishes positive externalities in welfare economics?
A) Costs borne by those who did not benefit from a transaction
B) Benefits received by individuals not directly involved in a market transaction
C) Direct financial gains from market exchanges
D) Negative impacts on market efficiency
  • 5. Which of the following is an example of a regressive tax?
A) Income tax
B) Progressive tax
C) Value-added tax
D) Sales tax
  • 6. Which of the following is an example of a public good in welfare economics?
A) National defense
B) Luxury cars
C) Fast food
D) Designer clothing
  • 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) Pareto efficiency
C) Market failure
D) Regulatory capture
  • 8. What is the Gini coefficient used to measure in the context of welfare economics?
A) Labor force participation
B) Inflation rate
C) Income inequality
D) Market demand
  • 9. Which of the following is not a reason for market failure according to welfare economics?
A) Information asymmetry
B) Perfect competition
C) Externalities
D) Public goods
  • 10. What is Arrow's impossibility theorem related to?
A) Social choice theory.
B) Game theory.
C) Market equilibrium theory.
D) Behavioral economics.
  • 11. Which economic school of thought emphasizes the importance of consumer surplus in welfare economics?
A) Marxist economics
B) Keynesian economics
C) Austrian economics
D) Neoclassical economics
  • 12. From where can utility functions be derived in the context of social welfare maximization?
A) The social indifference curve
B) Points on a contract curve
C) The production possibility frontier
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) Benthamite tradition
B) Marxist tradition
C) Austrian tradition
D) Keynesian tradition
  • 15. What is a natural monopoly characterized by?
A) Constant average costs.
B) Long run declining average costs.
C) Increasing average costs in the long run.
D) Short run declining 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 concept of perfect competition.
B) The idea of market failure.
C) The principle of redistribution.
D) The logic of Adam Smith's invisible hand.
  • 18. What is the basis of utilitarianism in welfare economics?
A) Maximizing overall happiness or utility in society
B) Minimizing government intervention in economic activities
C) Encouraging competition for market efficiency
D) Promoting individual rights and liberties
  • 19. What did Kenneth Arrow test in 1951?
A) Whether rational collective selection rules could derive social welfare functions from individual preferences.
B) The impact of government intervention on welfare.
C) The efficiency of competitive markets.
D) The validity of utilitarianism in economics.
  • 20. What theoretical foundation does welfare economics provide for public economics?
A) Cost–benefit analysis.
B) Game theory.
C) Monetary policy.
D) Supply and demand analysis.
  • 21. Which theorem is sometimes considered the third fundamental theorem of welfare economics?
A) Keynesian equilibrium theorem
B) Arrow's impossibility theorem
C) Pareto's efficiency theorem
D) Smith's invisible hand theorem
  • 22. What is the role of taxes in achieving efficiency?
A) Taxes can counteract inefficiencies like externalities.
B) Taxes always lead to inefficiency
C) Taxes have no impact on market efficiency
D) Taxes are only used for revenue generation
  • 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 dealt with international trade policies.
C) It was primarily about market efficiency.
D) It focused on individual utility maximization.
  • 24. What is the shape of a Max-Min social indifference curve?
A) Circular in shape.
B) Upward sloping to the right.
C) Two straight lines forming a 90-degree angle.
D) Linear and downward sloping to the right.
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