Laissez-faire refers to a situation in which there is ____ with the workings of the market system

Explain the concept of "crowding in."

What will be an ideal response?

In the long run, firms in monopolistic competition earn zero economic profit because

A) firms are free to enter and exit. B) their products are similar but slightly different. C) of over-reliance on product marketing. D) of collusion among the various sellers. E) their demand curves are horizontal.