If your marginal utility becomes negative, your total utility _____________.

Suppose the government has a budget surplus of $2 billion. If there is no Ricardo-Barro effect, what occurs?

A) The demand for loanable funds curve shifts rightward, raising the interest rate, and increasing investment. B) The supply of loanable funds curve shifts leftward, lowering the interest rate, and increasing investment. C) The demand for loanable funds curve shifts leftward, lowering the interest rate, and decreasing investment. D) The supply of loanable funds curve shifts leftward, raising the interest rate, and decreasing investment. E) The supply of loanable funds curve shifts rightward, lowering the interest rate, and increasing investment.

Identify the statement which is true of a barter system? a. In a barter system, trade will only occur if there is a double coincidence of wants. b. In a barter system, an individual offers coins to get a good or service

c. In a barter system, an individual offers a commodity money to get fiat money. d. In a barter system, different kinds of money are exchanged for one another. e. In a barter system, individuals are self-sufficient.