date:Oct 30, 2013
Britain's supermarkets are battling intensely for market share in tough economic conditions. Advertising is a major battleground.
Earlier this year, Sainsbury's complained to the Advertising Standards Authority (ASA) over market leader Tesco's Price Promise scheme.
The scheme compares the cost of a basket of Tesco's branded, own-label and fresh food against what it regarded as the same or equivalent products from Sainsbury's and other main rivals.
Sainsbury's argued it was unfair to compar