1) Price is constant or given to the individual firm selling in a purely competitive market because
A. the firm's demand curve is downward sloping
B. of product differentiation reinforced by extensive advertising
C. each seller supplies a negligible fraction of total supply
D. there are no good substitutes for its product
2) The most important pricing strategy for a perfectly competitive firm is
A. minimizing cost
B. maximizing sales
C. product differentiation
D. advertising
3) Which of the following is a nonprice barrier of entry?
A. Huge sunk cost
B. Discounts
C. Product differentiation
D. Advertising
4) A third-degree price discrimination can be applied to which of the following market structures?
A. A monopoly
B. An oligopoly
C. A monopolistic competition
D. A perfect competition