Is the Greek debt sustainable or not? Opinions and approaches differ. The International Monetary Fund insists that the Greek debt is not sustainable, the Eurozone’s Fund European Stability Mechanism insists that the Greek debt is sustainable.

Greece has three weeks to deal with ‘potentially disastrous’ debt, the IMF said adding that failure of Greece and the EU to reach compromise by 20 February ‘would bring back Grexit with a vengeance’.