【題目】 A competitive firm will tend to expand its output so long as: Marginal revenues is greater than marginal cost. Marginal cost is less than average cost. Marginal revenues is positive. Marginal revenues is greater than the average cost.
【題目】 A competitive firm will tend to expand its output so long as: Marginal revenues is positive. Marginal revenues is greater than the average cost. Marginal cost is less than average cost. 答: Marginal revenues is greater than marginal cost.
【題目】 A competitive firm will tend to expand its output so long as: Marginal revenues is greater than marginal cost. Marginal cost is less than average cost. Marginal revenues is greater than the average cost. Marginal revenues is positive.