11.   The price competition has been heightened by tracking services that allow consumers to compare prices among hundreds of companies by phone or on the Internet.

12.   The tests were designed to allow consumers to compare the fuel efficiency of various makes and models.

13.   For best bargains, consumers should compare prices at various supermarkets, as some offered lower prices for certain goods.

14.   Its shopping feature, Shopping.com, also has been revamped to allow consumers to compare prices for a particular item among hundreds of other shopping sites.

15.   Rajoo also advised businessmen and traders to display price tags to allow consumers to compare prices.

16.   One of the arguments in favor of the euro was that it would enable consumers to compare prices, encouraging competition among suppliers.