Supermarket giants Coles and Woolworths have still got a long way to go to rebuild trust with the Australian public, according to new research. And as they focus on each other, discount chains Aldi and Costco are gaining ground.

Michael Thompson talks to Jeremy Barker, Managing Partner, OC&C Strategy Consultants Australia, about the Australian Retail Proposition Index 2025, which has ranked Costco as Australia's favourite grocery retailer, with Aldi close behind.

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