This study is based on case material--almost entirely from European Commission decisions--for the following industries: carbonless paper, choline chloride, citric acid, commercial explosives, copper plumbing tubes, district heating pipes, electrical and mechanical carbon and graphite products, fine arts auction houses, graphite electrodes, industrial and medical gases, industrial tubes, isostatic graphite, lysine, methionine, nucleotides, organic peroxides, plasterboard, seamless ...