Several years ago, your firm entered a market in which five large companies had 90 percent of the market share. Your firm attempted to gain some of the market by pricing aggressively, but whenever your firm lowered its prices, all five of the competing firms immediately followed suit.
This behavior seems suspicious to you, and it is definitely hurting your firm’s ability to compete in this market. You are planning to sue these companies for violation of the Sherman Antitrust Act. What arguments should you attempt to make so as to give your suit the best chance of succeeding? Be specific.