For the United States, empirical studies indicate that over the past two decades the cost of international transportation relative to the value of U.S.imports has
A) increased.
B) decreased.
C) not changed.
D) remained stagnant on presidential election years.

Question

Quizplus · Accepted Answer

Empirical studies over the past two decades show that the cost of international transportation relative to the value of U.S. imports has decreased, thanks to advancements in transportation technology, logistics efficiency, and increased global trade liberalization.

For the United States, Empirical Studies Indicate That Over the Past