Giving the average worker a $2,700 income tax cut in return for widening the GST would be part of a major tax overhaul that could add a combined $158bn to the Australian economy.
Chris Murphy, an economist who provided the modelling for introduction of the GST and Ken Henry’s 2010 tax review, has outlined a $91bn shift in the tax mix, which includes replacing stamp duties with a land tax and taxing corporate super profits.
