Factors that influence international trade

World trade has grown substantially in the last 60 years. For example, while world output grew at an annual rate of 3.8% per year between 1950 and 2003, world exports grew at 10.8% per year over the same time period.

Which of the following help to explain the increase in international trade and finance since the 1950s? Check all that apply.

A. Better high-speed rail lines

B. The widespread use of the Internet to conduct business

C. An increasing number of import quotas

D. International trade agreements that lower tariffs and import quotas