THE poorest families in the country would face a 7% hit to their disposable income if the Turnbull Government lifts the GST to 15%.
Analysis of the proposal by the National Centre for Social and Economic Modelling showed the richest would suffer only a 3% cut to their disposable income.
The Australian Council of Social Services warned it was a "regressive" tax and would require a huge compensation package for low income earners.
ACOSS chief Dr Cassandra Goldie said it would be a "complicated churn".
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