When two goods are related such that an increase in the price of one good decreases the quantity demanded of the other good, these goods are definitely

Which of the following is an index of exchange rates?

A) import-export ratio B) trade-weighted exchange rate C) trade balance index D) foreign price-domestic price ratio

Okun's law relates ________ to ________

A) inflation; unemployment B) inflation; output C) output; unemployment D) output; employment