If an input necessary for production is in limited supply so that an expansion of the industry raises costs for all existing firms in the market, then the long-run market supply curve for a good could be ?

If an input necessary for production is in limited supply so that an expansion of the industry raises costs for all existing firms in the market, then the long-run market supply curve for a good could be ?

A. perfectly inelastic
B. perfectly elastic
C. upward slog
D. downward slog

A grocery store should close at night if the ?

A grocery store should close at night if the ?

A. variable costs of staying open are less than the total revenue due to staying open.
B. total costs of staying open are less than the total revenue due to staying open
C. variable costs of staying open are greater than the total revenue due to staying open
D. total costs of staying open are greater than the total revenue due to staying open

In the short run, the competitive firm’s supply curve is the portion of the marginal cost curve that lies above the average variable cost curve?

In the short run, the competitive firm’s supply curve is the portion of the marginal cost curve that lies above the average variable cost curve?

A. Upward-slog portion of the average total cost curve
B. upward-slog portion of the average variable cost curve
C. portion of the marginal cost curve that lies above the average total cost curve.
D. entire marginal cost curve.
E. portion of the marginal-cost curve that lies above the average variable cost curve

Which of the following is not a characteristic of a competitive market ?

Which of the following is not a characteristic of a competitive market ?

A. All of these answers are characteristic of a competitive market
B. The are many buyers and sellers in the market
C. The goods offered for sale are largely the same.
D. Firms generate small but positive economic profits in the long run
E. Firms can freely enter or exit the market