For example, the “post-crisis role of central banks” has been a theme discussed in great depth in academic circles, and we may well be looking toward change in the direction of a heightening of the duties and authorities of the central bank relative to the past.
On the other hand, given the huge potential for market failures in this field – like different forms of asymmetric information and problematic incentive structures – there is a clear need for public intervention – and somebody has to do it. After a period of de-regulation we are now in a period of re-regulation.