The meeting in Cairns is focused on developing a suite of policies to reach their ambitious goal of raising the total GDP of the 20 major world economies by two percent above current projections over the next five years.
Finance ministers and central bank governors, including US Federal Reserve chairwoman Janet Yellen, want to be able to take their plan to the G20 leaders' summit in Brisbane in November.
"It is only the balance on which a little more additional push is required and if I go by Saturday's discussion, most of them did agree, and most of them felt committed to giving that additional push, so the additional two per cent should be achievable," she said.
Despite rising world political tensions and concern that the sickly eurozone recovery could hamper their efforts, Australian Treasurer Joe Hockey said yesterday he was encouraged by what G20 nations had brought to the meeting.
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French Finance Minister Michel Sapin said G20 members would achieve between 1.5 per cent and 1.9 per cent more growth if they put in place all the structural reforms to which they have committed.
But he revealed that there was a difference between the IMF and the Organisation for Economic Cooperation and Development on their calculations of what was possible.
He added that two per cent was possible but it was difficult, with the stalling eurozone recovery and weakening emerging economies.
Hockey, who is chairing the meeting, said more than 900 submissions had been made by participating countries to meet the growth goal, which would add an extra USD 2 trillion to the G20's combined GDP.
These involve reforms to accelerate infrastructure investment, steps to strengthen financial reform and the opening of economies to free trade.