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.

-Services such as web conferencing and teleconferencing that facilitate international meetings

-An increasing number of import quotas

-A shift toward trading lighter, more easily transported goods

-International trade agreements that lower tariffs and import quotas.