There are positive signs in this area as Greek banks have started lending each other bigger sums for longer duration than overnight or one week. However, the process may encounter unexpected hurdles and, therefore, may be lengthier than it is desirable.
Necessary regulatory changes: What changes might be envisaged to financial regulation and the structure of the financial sector as a result of the current crisis? I will try to answer taking into consideration what is  BIS Review 10/2009  3  under discussion in the various international fora, bearing in mind the global nature of the current turmoil.