Which of the following statements is not correct?
a. Economic growth is best measured by the annual percentage change in nominal GDP per capita.
b. An economy producing along the production possibilities curve is operating at its potential output.
c. Economic growth is a crucial determinant of people's well-being

Simple loans and discount bonds differ from coupon bonds and fixed-payment loans in that

A) interest on simple loans and discount bonds is taxable, while interest on coupon bonds and fixed-payment loans is not. B) interest on coupon bonds and fixed-payment loans is taxable, while interest on simple loans and discount bonds is not. C) interest rates on simple loans and discount bonds are generally higher than interest rates on comparable coupon bonds and fixed-payment loans. D) interest on simple loans and discount bonds is paid in a single payment, while issuers of coupon bonds and fixed-payment loans make multiple payments of interest and principal.

Macroeconomics does not study this aggregate

A. GDP. B. inflation. C. happiness. D. unemployment.