Dominique Strauss-Kahn, the head of the International Monetary Fund, has warned global currency disputes are a "real threat" to the economic recovery.
The global economy will grow at a slower pace than previously predicted next year, the IMF warns.
The IMF has broadly backed the Coalition Government's spending cuts and efforts to tackle the deficit.
The International Monetary Fund (IMF) has warned long-term fiscal reforms will be required among advanced economies as it projected the UK's gross debt to GDP would rise to 90.6% in 2015.
Greece is set to receive the second instalment of a rescue loan provided by the EU and IMF following the country's progress in cutting its deficit.
The IMF has raised its estimate for global growth this year by 0.4% to 4.6%, reflecting a stronger-than-expected first half.
The spread on Spanish government bonds over German bunds reached an all-time high today on continued economic concerns for the Mediterranean country.