Which of the following market structures is (are) capable of earning positive economic profits in the long run?

When there is an Equilibrium (or a Nash Equilibrium), we expect that:

a. once the firms get there, no one will change their strategy. b. firms will tend to select a randomized strategy. c. neither firm will care what it does. d. this is always a dominated strategy.

Refer to the table below. Marginal product is zero when the total product is:

The question is based on the following table that provides information on the production of a product that requires one variable input.




A. 0
B. 5
C. 56
D. 58