Rising unemployment would perhaps mark the end of the economic expansion
We do want to know when unemployment starts rising again or, it's near counterpart, employment starts falling. For this will be an indicator that the current economic expansion is finally ending. That, in turn, will mean really rather large economic problems for we've no room to be doing any monetary policy against economic contraction.
It's also true that we've already, in the UK, got a significant budget deficit, a high debt to GDP ratio, a high government as a percentage of GDP ratio and