The continual driving down of food prices, which brought with it falling standards, and eventually led to issues such as the horsemeat scandal, is no longer happening in the British market, a leading supermarket boss has claimed.Speaking at the annual dinner of the NI Food and Drink Association (NIFDA), Marks & Spencer (M&S) director of food Andy Adcock, maintained that the food market is changing, and the race to the bottom on price is over.