ExclusifFormula 1/French Grand Prix : « Ticketing is our biggest source of revenue, at 80 % » (Éric Boullier)
"Ticketing is our biggest source of revenue, at around 80%, while 15% comes from the hospitality we market, and a small 5% represents food & beverages," said Éric Boullier, managing director of the GIP Grand Prix de…