Economist James Tobin, who conceived the idea of a global tax on financial transactions that now bears his name. PITTSBURGH, Sept 25 (Reuters) – G20 leaders have tasked the International Monetary Fund to investigate ways the financial markets could pay for the effects of the economic crisis, such as a tax on all international financial transactions, a G20 source said on Friday.

“A so-called ‘Tobin tax’ on all international financial transactions will not be mentioned specifically in the final communiques, but it was discussed. The IMF will now investigate and report back to the next G20 meeting,” the source involved in the G20 summit in Pittsburgh said.

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