33.2 What Happens When a Country Has an Absolute Advantage in All Goods
3 min read•june 24, 2024
Trade lets countries focus on what they're best at making. It's like you being great at math and your friend excelling in writing. By helping each other, you both end up with better grades overall.
is about who can make something at a lower cost. Even if you're better at everything, trading still helps both sides. It's a win-win that boosts what everyone can produce and enjoy.
Comparative Advantage and Gains from Trade
Production Costs and Comparative Advantage
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Comparative advantage determined by of producing a good
Opportunity cost is value of next best alternative foregone when choosing to produce a good (producing more of one good requires producing less of another)
Country has comparative advantage in producing a good if it has lower opportunity cost compared to another country
Means country can produce good at relatively lower cost in terms of other goods given up (fewer resources diverted from other goods)
Differences in across countries give rise to comparative advantage
Differences can be due to factors such as resource endowments (land, labor, capital), technology, or
Having comparative advantage allows country to specialize in producing and exporting good it produces at lower relative cost
Leads to more efficient allocation of resources and higher output
Benefits of Trade
Trade benefits both parties when each specializes in producing good(s) in which it has comparative advantage
allows countries to allocate resources more efficiently (focusing on what they do best) and produce more output
Even if country has in producing all goods, it can still benefit from trade
Absolute advantage refers to ability to produce a good using fewer resources than another country (producing at lower absolute cost)
By specializing based on comparative advantage and trading, both countries can consume beyond their production possibilities
Means they can have more of both goods than they could without trade (higher consumption possibilities)
Trade allows countries to exploit differences in opportunity costs, leading to increased output and consumption possibilities
Gains from exchange as countries get to consume goods they are relatively less efficient at producing
Opportunity Costs and Gains from Specialization
Opportunity cost key to determining comparative advantage and gains from specialization
To determine comparative advantage, compare opportunity costs of producing each good across countries
Country with lower opportunity cost for a good has comparative advantage in that good (can produce it at lower relative cost)
Gains from specialization arise when countries specialize based on their comparative advantages
Each country should specialize in and good(s) in which it has lower opportunity cost
Each country should good(s) in which it has higher opportunity cost
Specialization allows countries to use resources more efficiently, producing more output with same resources
Efficiency gain is source of increased consumption possibilities and benefits from trade (more output and consumption with same inputs)
To maximize gains, countries should specialize fully based on comparative advantage and engage in trade
Complete specialization and trade leads to greatest possible output and consumption gains