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A country will export a good if it can sell the good to a foreigner at a higher price than the no trade price is impossible to import the good can
A country will export a good if it
can sell the good to a foreigner at a higher price than the no trade price
is impossible to import the good
can dump the good on the world market
can sell the good to a foreigner at a lower price than the no trade price
has a high opportunity cost of production