The figure above shows the market for annual influenza immunizations the United States. With no government intervention, the market equilibrium is at a price of ________ and ________ million immunizations per year

Consider a monopolistically competitive firm in a market in long-run equilibrium. This firm is likely earning

a. a positive economic profit since it is charging a price above marginal cost. b. no economic profit since it is charging a price equal to its marginal cost. c. a positive economic profit since it is charging a price above its average total cost. d. no economic profit since it is charging a price equal to it average total cost.

What branch of economics is concerned with effects of nutrition labeling on the dietary quality of consumers (i.e., what-if types of questions)?

A) Positive economics B) Macroeconomics C) Normative economics D) Microeconomics