If domestic saving exceeds investment, there will be a current account surplus

An increase in investment ________ aggregate demand, the aggregate demand curve shifts ________ and the economy is in the ________ phase of the business cycle

A) increases; leftward; recession B) increases; rightward; recession C) increases; rightward; expansion D) decreases; leftward; recession E) decreases; rightward; expansion

Oligopoly differs from monopolistic competition in that an oligopoly includes

A) product differentiation. B) barriers to entry. C) no barriers to entry. D) downward-sloping demand curves facing the firm.