The Grattan Institute has proposed raising the GST from 10% to 15% and expanding it to cover fresh food, arguing that the $76 billion raised annually would secure Australia’s fiscal future, fund income tax cuts, and boost welfare payments.

While Jason Matthews on 4BC Breakfast and listeners expressed deep scepticism about taxing essential groceries during a cost-of-living crisis, callers debated whether a broader GST paired with other tax cuts could help address the nation's trillion-dollar debt.