Which aspect of macroeconomics generates the most controversy?

If the inflation rate in the United States is higher than that in Mexico and productivity is growing at a slower rate in the United States than in Mexico, then, in the long run, ________, everything else held constant

A) the Mexican peso will appreciate relative to the U.S. dollar B) the Mexican peso will depreciate relative to the U.S. dollar C) the Mexican peso will either appreciate, depreciate, or remain constant relative to the U.S. dollar D) there will be no effect on the Mexican peso relative to the U.S. dollar

The term "fiscal policy" refers to

a. the amount of physical output produced by firms b. the means by which government policy makes firms more productive c. the avenue by which government influences credit markets d. spending and taxing by governments e. a tool of government that works in the opposite direction of monetary policy