a. ignore their factor endowments and import products they need.
b. pursue maximum efficiency in only those products where they have comparative advantage.
c. sign free trade agreements all over the world, thus opening their borders to flows of goods.
d. import only those goods they cannot produce themselves.
b. pursue maximum efficiency in only those products where they have comparative advantage.
c. sign free trade agreements all over the world, thus opening their borders to flows of goods.
d. import only those goods they cannot produce themselves.