Although foreign exchange market trades are said to involve the buying and selling of currencies, most trades involve the buying and selling of

A technological advance ________ potential GDP, ________ aggregate supply, and shifts the aggregate supply curve ________

A) decreases; increases; rightward B) decreases; decreases; leftward C) increases; decreases; leftward D) increases; increases; rightward E) increases; increases; leftward

The slope of a production possibilities curve is based on opportunity cost.

a. true b. false