A new working group of international competition authorities has put companies involved in global supply chains on notice not to collude. The working group is made up of competition authorities from the “Five Eyes” nations: the UK Competition and Markets Authority (CMA), the United States Department of Justice, the Australian Competition and Consumer Commission, the Canadian Competition Bureau and the New Zealand Commerce Commission. It will meet regularly to develop and share intelligence to detect and investigate suspected anti-competitive behaviour and collusion, using existing internationa…