This recent proposal, introduced by teal independent MP Kate Chaney alongside renowned economist Richard Holden, suggests raising the GST from 10 percent to 15 percent.

At the same time, it would remove the current exemptions for the likes of fresh food and private education and health.

“This moment with the Chalmers economic roundtable is the moment where this has got a little more traction and a little more attention,” he said.

“So I think that’s the question: is the upcoming August 19 roundtable going to be a moment for genuinely thinking about bold ideas?”

Earlier today, senior Nationals senator Bridget McKenzie urged the government to utilize its substantial parliamentary majority to effectively tackle tax reform and address the issue of stagnant productivity.

“This is a great opportunity that only comes around every couple of decades,” she told Today.

“This government’s got a huge mandate. They have to use it.

“It might get some people off, particularly their traditional stakeholders, but they’ve got to use it. They’ve got to be bold.”