Usage patterns
カルテルを結ぶto form a cartel
It came out that several major manufacturers had formed a price cartel.
カルテルを結成するto organize/set up a cartel
The oil-exporting countries organized a cartel to control production levels.
カルテルを解消するto dissolve a cartel
Facing action under the antitrust law, the companies dissolved the cartel.
〈事〉がカルテルにあたるfor something to constitute a cartel (violation)
This pricing agreement could constitute a cartel violation.