When countries open up to cross-border trade, and global supply chains, they need to know that they will see the benefits in jobs, fair tax revenues and economic growth.

WSJ: David Cameron: A British-American Tax and Trade Agenda

When Ressano Garcia opened, Aggreko was thought to have been the first private firm to supply power cross-border to utilities in southern Africa.

BBC: Glasgow-based Aggreko strikes new Africa deal

The investigations have been complicated by elaborate supply chains involving multiple cross-border middlemen.

NPR: Horse Meat Found In Ikea's Swedish Meatballs