Collateralised debt obligations, the complex debt securities linked to pools of risky mortgages and derivatives, have caused astronomical losses across the global financial system.

By Aline van Duyn and Nicole Bullock
Published: February 8 2010 19:27 | Last updated: February 8 2010 19:27
Collateralised debt obligations, the complex debt securities linked to pools of risky mortgages and derivatives, have caused astronomical losses across the global financial system.
