“To choose is to lose” is another way to describe which concept in economics?

Which of the following is a TRUE statement about a monopoly?

A) A monopoly does not necessarily earn positive economic profits. B) A monopoly must earn an above-normal profit to stay in business. C) As long as there are barriers to entry, a monopoly can always find some price-output combination that generates positive economic profits. D) As long as the demand curve slopes down, a monopoly can always find some price-output combination that generates positive economic profits.

The free-rider problem exists because it is difficult to ______.

a. share the benefits of some products with everyone b. prevent everyone from gaining the benefits of some products c. produce products that satisfy everyone d. produce products that satisfy anyone