Nicolas Véron argues rating agencies have failed the marketplace in the run-up to the crisis, as their risk assessment processes have been found wanting on a number of counts. It is not clear that conflicts of interests have been the root cause of this serious failure, even if such conflicts...

We review the competing explanations of the 2007-2008 global crisis, recall how governments around the world had to depart from established policy stances, and reflect on the legacy of the crisis both in terms of future challenges and changes in policy doctrine. The G-20 has addressed important...