Which of the Following Has Occurred in International Trade Over

Multiple Choice

Which of the following has occurred in international trade over the past half-century?

A) There has been a dramatic increase in the barriers to international trade.
B) Tariff rates on manufactured goods traded by advanced nations have fallen.
C) Regulations prohibiting foreign companies from entering domestic markets and establishing production facilities have increased.
D) The volume of world trade has decreased dramatically.
E) All of these.