The small nation model for estimating welfare effects of tariffs applies to

The small nation model for estimating welfare effects of tariffs applies to
A.nations that populations below ten million people.
B.nations with per capita income levels below $500 per year.
C.nations that are smaller than their major trading partners.
D.nations that are price takers， too small to affect through their own supply or demand the trading price of the particular product in question.
正确答案：nations that are price takers， too small to affect through their own supply or demand the trading price of the particular product in question.