That has prompted calls for a European insurance fund which would guarantee repayment in euros.

ECONOMIST: Preventing a big European bank run

My vote for the most unjustly maligned financial sector stocks goes to the bond insurers, which guarantee principal repayment and interest for most municipal bonds.

FORBES: Buy Some Insurance

But Grameen organises borrowers into groups which guarantee a loan to any member (exerting peer pressure for repayment).

ECONOMIST: The other government in Bangladesh