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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) John Maynard Keynes
C) Adam Smith
D) Vilfredo Pareto
  • 2. Which approach in welfare economics focuses on improving social welfare by maximizing utility?
A) Utilitarianism
B) Monetarism
C) Laissez-faire
D) Keynesian economics
  • 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) Economic prosperity reached through competition
D) Successful coordination of supply and demand
  • 4. What distinguishes positive externalities in welfare economics?
A) Direct financial gains from market exchanges
B) Costs borne by those who did not benefit from a transaction
C) Negative impacts on market efficiency
D) Benefits received by individuals not directly involved in a market transaction
  • 5. Which of the following is an example of a regressive tax?
A) Progressive tax
B) Income tax
C) Value-added tax
D) Sales tax
  • 6. Which of the following is an example of a public good in welfare economics?
A) Luxury cars
B) National defense
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) Pareto efficiency
B) Regulatory capture
C) Market failure
D) Monopoly pricing
  • 8. What is the Gini coefficient used to measure in the context of welfare economics?
A) Inflation rate
B) Income inequality
C) Market demand
D) Labor force participation
  • 9. Which of the following is not a reason for market failure according to welfare economics?
A) Perfect competition
B) Information asymmetry
C) Public goods
D) Externalities
  • 10. What is Arrow's impossibility theorem related to?
A) Behavioral economics.
B) Game theory.
C) Social choice theory.
D) Market equilibrium theory.
  • 11. Which economic school of thought emphasizes the importance of consumer surplus in welfare economics?
A) Keynesian economics
B) Marxist economics
C) Austrian economics
D) Neoclassical economics
  • 12. From where can utility functions be derived in the context of social welfare maximization?
A) The production possibility frontier
B) The social indifference curve
C) Points on a contract curve
D) The grand utility frontier
  • 13. 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
  • 14. In normative terms, which tradition do the early Neoclassical authors align with?
A) Keynesian tradition
B) Austrian tradition
C) Marxist tradition
D) Benthamite 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) The difference between what consumers are willing to pay for a good/service and what they actually pay
B) Profit margin for producers
C) Tax revenue generated from consumer spending
D) Total cost of production for a given product
  • 17. What does the first fundamental theorem capture?
A) The concept of perfect competition.
B) The idea of market failure.
C) The logic of Adam Smith's invisible hand.
D) The principle of redistribution.
  • 18. What is the basis of utilitarianism in welfare economics?
A) Minimizing government intervention in economic activities
B) Promoting individual rights and liberties
C) Maximizing overall happiness or utility in society
D) Encouraging competition for market efficiency
  • 19. 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 impact of government intervention on welfare.
D) The efficiency of competitive markets.
  • 20. What theoretical foundation does welfare economics provide for public economics?
A) Cost–benefit analysis.
B) Game theory.
C) Supply and demand analysis.
D) Monetary policy.
  • 21. Which theorem is sometimes considered the third fundamental theorem of welfare economics?
A) Arrow's impossibility theorem
B) Smith's invisible hand theorem
C) Keynesian equilibrium theorem
D) Pareto's efficiency theorem
  • 22. 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 can counteract inefficiencies like externalities.
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) Linear and downward sloping to the right.
B) Circular in shape.
C) Upward sloping to the right.
D) Two straight lines forming a 90-degree angle.
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