"(Too) much runs the risk that you fall into and get stuck in a deep recession, which is very costly and too little you run the risk that inflation gets this self-sustaining momentum and runs away from the target," Pill told the Western Mail newspaper during a recent visit to Wales.

"I personally think there is more that needs to be done... and we need to go not necessarily to a super restrictive stance but to a stance that takes some of that support away..."

(Reporting by Andy Bruce; editing by William James)