【简答题】Baseball is one of the favorite sports in the USA. Children play baseball in sports fields or in parks. At summer picnics, there is often informal (非正式的) baseball . Boys and girls, young and old t...
【单选题】Suppose Jim and Tom can both produce baseball bats. If Jim’s opportunity cost of producing baseball bats is lower than Tom’s opportunity cost of producing baseball bats, then
A.
Tom must have an absolute advantage in the production of baseball bats.
B.
Jim must have an absolute advantage in the production of baseball bats.
C.
Tom has a comparative advantage in the production of baseball bats.
D.
Jim has a comparative advantage in the production of baseball bats.