The function that banks perform by obtaining funds from households, businesses, and governments and lending these funds to other households, businesses, and governments is known as

Under a progressive income tax system, the marginal income tax rate paid by taxpayers

A) declines as their incomes increase. B) rises as their incomes increase. C) is unchanged as their incomes increase. D) is unrelated to their incomes.

In the income-expenditure model, at equilibrium GDP

a. either unemployment or inflation may occur. b. inflation can occur but unemployment cannot. c. unemployment can occur but inflation cannot. d. both unemployment and inflation are impossible.