A nation has an absolute advantage in producing a good when

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a. it can produce a good for a lower input cost than other nations can.

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b. the opportunity cost of producing a good, in terms of the forgone output of other goods, is lower than that of other nations.

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c. it can produce a good for a higher input cost than other nations can.

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d. the opportunity cost of producing a good, in terms of the forgone output of other goods, is higher than that of other nations.

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e. the nation’s export supply curve is below its import demand curve.