European Union antitrust enforcers are being urged to scrutinise how ads fuel profits at tech giants such as Google and Facebook Inc as watchdogs from France to Australia start to investigate how the market works. Ioannis Kokkoris, a Law Professor at the Queen Mary University of London said a wide-ranging sector inquiry would allow the EU to chart what’s going on. He said: “Intervention is much more effective when the market is fully understood.” Read the whole article here.