"In combination the changes proposed for incorporated and unincorporated small businesses with turnover of less than $10 million dollars and the phased reductions in the company tax rate from 30 per cent to 25 per cent would go a considerable way to improving the competitiveness of Australia's tax system; reducing our over-reliance on the highly inefficient tax base of business profits; improving the attractiveness of Australia as a destination for foreign investment; and lifting aggregate investment, employment, productivity and wages," Ai Group Chief Executive, Innes Willox said.