Health Care Economics Name two structural characteristics of a perfectly competitive market. In a perfectly competitive market, what is the expected effect on market price of a shortrun shortage? What is the relationship between quantity demanded and quantity supplied at the competitive market equilibrium? Name two structural characteristics of monopoly. Name one way in which a monopolist can exercise market power. What is the purpose of product differentiation in monopolistic competition? What is the dening behavioral characteristic of oligopoly markets? Which market structure is characterized as having the greatest degree of market power