CDOs of CDOs

En fait c’est regrettable, mais un élément clé de la crise des subprimes est méta :

Separate special purpose entities—rather than the parent investment bank—issue the CDOs and pay interest to investors. As CDOs developed, some sponsors repackaged tranches into yet another iteration, known as “CDO-squared”, “CDOs of CDOs” or “synthetic CDOs”.

Source : Wikipédia