If autonomous imports increase, then the aggregate expenditure curve shifts ________ and equilibrium real GDP ________

When the price of summer tank tops falls and you buy more of them because they are relatively less expensive, this is called

A) the income effect. B) the deadweight loss effect. C) the elasticity effect. D) the substitution effect.

Government purchases, under the expenditure approach to GDP accounting, includes all of the following except: a. welfare payments

b. salaries of senators. c. fighter jets purchased by the government. d. the military payroll.