Supermarket experts say no clear player to increase competition

Supermarket experts say there is no clear player waiting in the wings to rev up competition for cheaper groceries. That's despite Finance Minister Nicola Willis name dropping Costco in her announcement on reforms to the sector this week. Costco was one of a number of players she mentioned that had been in touch - and are interested in the New Zealand market. So how realistic is it? Money Correspondent Susan Edmunds reports.