Taxes ____ the incentive to work, since they ____ an individual's after-tax earnings

An increase in real GDP causes the demand for real money balances to

A) rise. B) fall. C) remain unaffected. D) rise, fall, or remain unaffected depending on the interest rate at the time.

Which of the following regions tended to support federal construction of a system of roads in the 19th century?

a. the South b. New England c. Mid-Atlantic states, including New York and Pennsylvania d. the West e. All of the above.