Which of the following is not a component of aggregate demand?

Indifference curves shift or rotate

A) only when income changes. B) only when prices change. C) when either income or prices change. D) with none of the above because changes in income and prices do not shift indifference curves.

In 2005, the median income of renters was $26,317 and the median income of homeowners was $50,505. If imputed rent were added to household income or rent became deductible, the personal income tax would become

A. more progressive. B. more regressive. C. about proportional. D. less progressive.