This paper identifies conditions under which an industry-wide practice of posted (or list) pricing is a plus factor sufficient to conclude that firms violated Section 1 of the Sherman Act. For certain classes of markets, it is shown that, under competition, all firms setting a list price with a...

Empirical studies have found high correlation between entry and exit across industries, indicating that industries differ substantially in their degree of firm turnover. I propose a computational model of dynamic oligopoly with entry and exit in a turbulent technological environment. I examine...

Standard methods in the U.S. for calculating antitrust damages in price-fixing cases is shown to create a strategic incentive for firms to price above the non-collusive price after the cartel has dissolved. This results in an overestimate of the but for price and an underestimate of the level of...