performance of firms in different market structures: • revenues and revenue curves • output in the short run and the long run • profits in the short run and the long run • shutdown price in the short run and the long run • derivation of a firm’s supply curve in a perfectly competitive market • efficiency and X-inefficiency in the short run and the long run • contestable markets: features and implications • price competition and non-price competition • collusion and the Prisoner’s Dilemma in oligopolistic markets, including a two-player pay-off matrix