If ten cases of spring water are sold at a price of $6 each in a perfectly competitive output market and the marginal product of the last unit of labor is 5, then the marginal revenue product of that last unit of labor is

An oligopoly firm is similar to a monopolistically competitive firm in that

A) both operate in a market in which there are significant entry barriers. B) both firms face the prisoner's dilemma. C) both firms have market power. D) both firms are in industries characterized by interdependence of firms.

Compared to a pollution? tax, a? uniform-abatement policy is less efficient because it does not exploit differences in??

Compared to a pollution? tax, a? uniform-abatement policy is

less

efficient because it does not exploit differences in??

A.

output levels across firms.

B.

the level of environmental concern across firms.

C.

abatement costs across firms.

Your answer is correct.

D.

all of the above.