The typical monopolistically competitive firm earns no economic profit in the long run, regardless of whether or not it advertises

How can a combination of goods be unattainable?

What will be an ideal response?

The efficient output level of a public good occurs where the

A) greatest number of free riders occurs. B) marginal cost of producing the last unit is equal to the marginal benefit realized by consumers. C) marginal cost of production is minimized. D) total cost of production is affordable.