뒤로Principles of Microeconomics: Exam 1 Study Guide (Chapters 2)
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Chapter 2: Trade-offs, Comparative Advantage, and the Market System
Production Possibilities Frontier (PPF)
The PPF illustrates the maximum combinations of goods and services that can be produced with available resources and technology.
Assumptions: Fixed resources, fixed technology, only two goods produced.
Efficient Points: On the PPF; all resources are fully utilized.
Inefficient Points: Inside the PPF; resources are underutilized.
Attainable Points: On or inside the PPF.
Unattainable Points: Outside the PPF.
Constant Marginal Opportunity Cost: PPF is a straight line.
Increasing Marginal Opportunity Cost: PPF is bowed outward.
Factors Shifting the PPF Outward: Increases in resources, improvements in technology.
Example: If a country discovers new oil reserves, its PPF shifts outward.
Trade Creates Value
Trade allows individuals and nations to specialize and exchange, increasing overall welfare.
Specialization: Producing goods in which one has a comparative advantage.
Gains from Trade: Both parties can consume beyond their individual PPFs.
Comparative Advantage and Absolute Advantage
These concepts explain why trade is beneficial.
Absolute Advantage: The ability to produce more of a good with the same resources.
Comparative Advantage: The ability to produce a good at a lower opportunity cost.
Identifying Comparative Advantage: Calculate opportunity costs for each producer.
Example: If Country A can produce 10 cars or 5 trucks, and Country B can produce 6 cars or 6 trucks, compare opportunity costs to determine who should specialize.
Gains from Trade: After specialization, both countries can trade to achieve higher consumption levels.
Free Market and Foundations for a Market System
Markets coordinate economic activity through voluntary exchange.
Free Market: An economic system with minimal government intervention.
Adam Smith's 'Invisible Hand': The self-regulating nature of markets.
Fridrich Hayek's Knowledge Problem: Central planners lack the information dispersed among individuals.
Foundations: Voluntary exchange, competition, and private property rights.
Private Property Rights
Ownership of resources is essential for market efficiency.
Private Property Rights: The legal right to own and use resources.
Example: Landowners can sell, rent, or develop their property