G20 leaders are meeting in Brisbane to agree ways to boost global growth . C20 chief Tim Costello says the gap is rising and becoming ` ` increasingly obscene '' Equity needs to be embedded in country development plans , he says . Incomes of the bottom 20 % of households should be included .
G20 leaders are meeting in Brisbane to agree ways to boost global growth . C20 chief Tim Costello says wealth gap is rising and becoming `` increasingly obscene '' Equity needs to be embedded in country growth plans , he says . Incomes of the bottom 20 % of households should be measured .