This is the best summary I could come up with:

The price of 30 basic essentials such as bread, milk and nappies would be capped, with increases tied to wages, under a new policy to be announced by the Queensland Greens on Wednesday.

Amy MacMahon, a South Brisbane MP, said several European governments are “taking direct action to lower the cost of food; there’s no reason why we can’t do it here in Queensland”.

Hungary’s prime minister, Victor Orban, was one of many leaders in eastern Europe to impose a cap on some goods last year, though the policy will be dropped next month.

Nations such as France have implemented similar policies and even the UK’s former Conservative government considered “voluntary” controls before backing down amid industry opposition.

The authority would also be responsible for implementing new laws proposed by the party which would allow the state government to require any supermarket firm with more than 20% market share in one of seven regions to sell stores.

The Greens’ candidate for the seat of Cooper, Katinka Winston-Allom, said the Milton IGA, which was closed after it was bought by Coles earlier this year, was evidence that the government wasn’t doing enough to combat anti-competitive “land banking” by the major supermarkets.

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