This reflects not only the fact that the central bank is connected to various aspects related to finance, including the macroeconomy, financial markets, financial institutions, and payments and settlements infrastructure, but also the fact that the bank is sensitive to information that is obtained from those connections. Thirdly, the central bank must stick to a constant learning process in the broadest sense.
Looking at what happened over the course of the last 25 years, including the formation and bursting of the bubble, financial crisis, deflation, and rapid aging, few economies had initially correctly realized the significance of these developments. Nevertheless, it eventually became evident that such changes in the environment had profound effects on the economy.