If prices in Mexico rise at a higher rate than prices in the U.S., then according to purchasing-power parity the U.S. nominal exchange rate with Mexico should rise

An externality can be a

A) cost or a benefit. B) benefit but not a cost. C) cost but not a benefit. D) marginal cost but not a total cost.

The Bretton Woods conference in 1944 established the gold standard, which was abandoned in 1971

Indicate whether the statement is true or false