A grocery sector expert says he's pleasantly surprised by Nicola Willis's plans for the sector.
The Economic Growth Minister has confirmed she's seeking advice on potentially breaking up the supermarket duopoly.
That could include separating the retail and wholesale arms of Foodstuffs and Woolworths.
Ernie Newman says told Andrew Dickens he was sceptical before the announcement but is impressed by what he's heard.
He says Nicola Willis has come across as a "minister on a mission" and she's done her homework.

Gavin Grey: UK correspondent on Russian drone striking train behind Boris Johnson and other dignitaries near Ukraine border
03:02

Vicky Pryce: business correspondent on the UK GDP going up by 0.4 percent
02:53

Alf Filipaina: Auckland Councillor on the launch of the City Rail Link and whether extra police are needed
02:37