BIS Review 111/2010  9  swiftly goes beyond the unfolding of a crisis: in periods of accelerated change, swift action might be essential to prevent loss of control of the situation. Again, this seems to me to be true both for standard and non-standard measures. (ii)  Crisis prevention  The second major issue for the next decade is crisis prevention.
It is generally accepted that prevention is better than cure. Nevertheless, I have been struck by the fact that, in very difficult periods, when, unfortunately, the long-term ex ante prevention of turbulence has not been effective, the immediate decisions that appear necessary to avoid the crisis might not be fully understood by external observers, including the general public.