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Comparative Advantage vs Absolute Advantage

Comparative Advantage and Absolute Advantage are two Core Economic Concepts concepts in AP Economics that students often mix up. In short: comparative advantage is comparative advantage is the ability to produce a good at a lower opportunity cost than another producer. Meanwhile, absolute advantage is absolute advantage is the ability of a party to produce a greater amount of a good or service than other parties using the same amount of resources. Here is how they compare side by side.

Comparative Advantage

Comparative advantage is the ability to produce a good at a lower opportunity cost than another producer.

Even if one producer has an absolute advantage in everything, both gain by specializing in the good they sacrifice the least to make and then trading. The producer with the lower opportunity cost for a good should specialize in it. Mutually beneficial trade happens when the terms of trade lie between the two producers' opportunity costs.

Opportunity cost of 1 unit of A = (units of B given up) ÷ (units of A gained). The producer with the lower ratio has the comparative advantage in A.
Absolute Advantage

Absolute advantage is the ability of a party to produce a greater amount of a good or service than other parties using the same amount of resources.

A party has an absolute advantage if it can produce a good or service more efficiently than another party. This concept is used to explain why countries engage in international trade - they specialize in producing goods for which they have an absolute advantage and trade for other goods. Absolute advantage differs from comparative advantage, which looks at opportunity costs rather than just efficiency.

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