Perhaps the dissenters believe they've made their point and unless they feel especially strongly they don't need to dissent again, but the rationale for this variable should probably be explored further. The purpose of bringing outsiders onto the policy committee of the Bank of England is to assure that a variety of views will be considered in the policy debate.
I'll spend the rest of my time addressing how this works at the Federal Reserve. I'll do this in the form of questions about the personnel and functioning of the FOMC, with my tentative answers. 1. Does it matter who is on the FOMC other than the Chairman? My answer is yes, and I think I have reasons other than simple self-esteem.