Today, instead of trying further to precisely define the central bank, I would like to talk about the three points I always highlight regarding the roles of a central bank. 2  BIS central bankers’ speeches  First, the most important role of a central bank is to provide a stable financial environment.
Sustainable economic growth tends to be achieved in a stable financial environment, even if that is not always the case. Second, a central bank is an organization that plays its role through banking services. The specialized knowledge required of a central bank is not only knowledge of macroeconomics, but the wisdom to cover a wide range of activities.