In other words, if the people decide that delegating price stability to the central bank leads to the achievement of price stability, how should the central bank make its decisions? In the growing number of cases, including the Bank of Japan, committees formulate monetary policy.
Though there is an old saying that a camel is a horse designed by a committee, I feel that there are  advantages in monetary policy by committees. At a minimum, it enables a thorough discussion of issues reflecting the diverse background of committee members.