They generally provide liquidity to the banking system and act as the lender of last resort in event of a crisis .
Central banks are normally government - owned and charged with quasi-regulatory responsibilities , such as supervising commercial banks , or controlling the cash interest rate .
banks generally provide liquidity to the banking system and act as the lender of last resort in event of a crisis .
Central banks are normally government - owned and charged with quasi-regulatory responsibilities , such as supervising commercial banks , or controlling the cash interest rate .