Commentator: the theory of trade retaliation states that countries closed out of any of another country's markets should close some of their own markets to the other country in order to pressure the other country to reopen its markets. If every country acted according to this theory, no country would trade with any other.
The commentator's argument relies on which of the following assumptions? D For any two countries, at least one has some market closed to the other.
why why why this is the right answer??Could anybody explain it to me？
(D) For any two countries, at least one has some market closed to the other.
If you negate this statement, then any two countries has no market closed to the other, what would happen? Nothing! The trade goes on. Therefore this is a necessary assumption that the argument relies on.
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发表于 2011-5-25 15:48:44
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