About how much of the world's GDP is traded internationally? How has this changed over time? Why?

More than 15 percent of the world's GDP is traded internationally. This has increased from 3 percent in
1970 . The change is due to communications and transportation technology advancements and reductions in
trade restrictions.

Economics

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An increase in credit market frictions

A) decreases labor supply. B) decreases labor demand. C) decreases consumption demand. D) decreases investment demand.

Economics

Regarding the causes of pollution, economists believe that:

a. the pricing system has failed. b. the public interest requires that pollution to be reduced below its market level. c. a firm pollutes the air and water because they are free. d. All of the above are correct.

Economics