53.
If the short-run average variable costs of production for a firm are rising, then it indicates that

54.
If an imperfectly competitive firm is producing a level of output where marginal cost is equal to marginal revenue, marginal revenue is below average variable cost, and the price is equal to the average total cost, then the firm is

56.
Assertion (A): Want - the satisfying power of commodity is called its utility.
Reason (R): Utility may not have the characteristic of morality codes.

60.
If the market demand curve for a commodity has a negative slope, then the market structure must be