A monopolist who is unable to price discriminate:
a. will never produce in the output range where marginal revenue is positive.
b. will never produce in the output range where marginal revenue is negative.
c. will never produce in the output range where demand is inelastic

Which of the following is true in the short run? a. The aggregate supply curve is horizontal

b. The aggregate supply curve is vertical. c. Per-unit costs do not increase as much as output prices when the price level rises. d. An increase in price per unit results in a decrease in profit per unit. e. Firms' total costs of production decrease as output expands beyond the potential level.

Other things being equal, an increase in the price of a good leads to a decrease in the amount people purchase. This is known as

A) the law of demand. B) the law of supply. C) ceteris paribus. D) equilibrium.