In a paper, IMF chief economist Olivier Blanchard
- doubts the EU can deliver on aid promises.
- Other European nations do not need to take as drastic measures as Greece.
- The depreciation of the euro is not good news for the United States.
- Markets still doubt whether Greece will be able to repay its debts given its past history
- the EU-IMF bailout for the euro zone is sufficient, Blanchard says
