Which of the following is most risky at a time of fluctuating interest rates?

The quantity of money demanded

A) is infinite. B) is directly controlled by the Fed. C) has no opportunity cost. D) is the quantity that balances the benefit of holding an additional dollar of money against the opportunity cost of doing so. E) changes very infrequently.

Over the past two decades, the unemployment rates in

A) the Eurozone have been generally less than U.S. unemployment rates. B) the Eurozone have been generally greater than U.S. unemployment rates. C) the United Kingdom have almost always been much greater than the U.S. unemployment rates. D) Canada are less than the U.S. unemployment rates. E) Japan are much larger than those in the United States.