Published by Mark AckroydGlobal forex trading may be impacted by suggestions that the recent deal formulated by European leaders to resolve the ongoing debt crisis in the eurozone is unlikely to prevent Greece abandoning the currency.Kenneth Rogoff, an economist from Harvard University, told Bloomberg that this may occur in the decade, noting that the 50 per cent losses agreed to by banks on the Greek deficit will not be enough to prevent this."It's pretty darn clear the euro does not work, that it's not a stable equilibrium," he said.Looking to the future for the multi-nation currency Mr Rogoff suggested: "I don't think there’s any doubt that we'll see more defaults beyond Greece."The former International Monetary Fund chief economist suggested there are "too many inconsistencies" to ensure that all nations using the euro will continue to do so for next ten years.Yesterday (October 27th) the single currency rose as high as $1.40 in foreign exchange trading following the announcement of plans by leaders from the European Union.For more information on foreign exchange treasury services and risk management, visit our Corporate FX site