Which of the following is not an example of informal institutions?

As country incomes rises, what would you generally expect to happen to the burden of noncommunicable diseases as a share of the total disease burden?

A) It should go up B) It should stay about the same C) There is no consistent relationship between the two D) as country incomes rise E) It should go down

A positive markup is earned by a firm if its

A) price exceeds its marginal cost. B) marginal revenue equals marginal cost. C) price equals marginal cost. D) price equals average total cost.