The Satellite | Tax hike: How a 12.5 per cent GST will cost houses three times more than ... Sydney Morning Herald EXCLUSIVE. New modelling shows the extent to which the government will have to compensate low-income households if it pushes ahead with proposals to raise the GST. Photo: MICHAEL MUCCI. A 12.5 per cent GST would collect the same amount of ... Proposed GST changes would raise same revenue as carbon tax but cost more ... Strange Politics: Turnbull cans knights, dragons invade |