"My wife can do everything better than I. Therefore I let her do everything and I do nothing." This statement ignores the:

law of comparative advantage.
consumption function.
law of diminishing utility.
law of supply.


Friday is twice as good as Crusoe at catching fish, and three times better at gathering coconuts. Therefore,

Friday has a comparative advantage at both.
Crusoe has a comparative advantage at both.
Crusoe has a comparative advantage at catching fish.
Crusoe has a comparative advantage at gathering coconuts.


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