A decrease in German Treasury interest rates, all else held constant, causes a leftward shift in the __________ euros and causes the dollar to __________ against the euro

If oligopolistic firms successfully cooperate with each other, _____

a. they may act like a monopoly and increase their prices b. they may act like a monopoly and increase their output c. they may act like perfectly competitive firms and earn normal profits d. they may act like a monopolistic firm and earn economic profits

In periods when prices are falling, on average

A) real GDP will grow slower than nominal GDP. B) real GDP will grow faster than nominal GDP. C) real GDP will grow as fast as nominal GDP. D) one cannot calculate real GDP.