• A group boycott can violate the Sherman Act and is analyzed under either the per se rule or the rule of reason, depending on the nature of the boycott. See PER SE RULE; RULE OF REASON.
group boycott
Antitrust. 1.CONCERTED REFUSAL TO DEAL. 2. A type of secondary boycott by two or more competitors who refuse to do business with one firm unless it refrains from doing business with an actual or potential competitor of the boycotters.