Economists' suggestions include new rules on government spending, unified bank supervision and a bigger fund for financial emergencies.

WSJ: Troubles in Euro Zone Offer Chance to Fix Its Flaws

When hard-hit developing countries submit to the supervision of the International Monetary Fund, their citizens rarely react kindly.

ECONOMIST: Europe's stability pact meets national sovereignty

Inclusion as part of the Financial Stability Forum, a group of regulators and central bankers charged with the technicalities of financial supervision, may also make them more willing to support an expansion of the fund.

ECONOMIST: The G20 in London