Which of the Following Is Not Correct

Multiple Choice

Which of the following is not correct?

A) American families save a larger fraction of their incomes than their counterparts in many other countries such as Germany and Japan.
B) Saving is an important long-run determinant of a nation's standard of living.
C) A change in tax laws that encouraged greater saving would lower interest rates.
D) Taxes on interest income can substantially decrease the future value of current saving.