... that using the rate of interest on balances as a policy tool in such situations can increase a central bank’s power to influence the market interest rate independently of the quantity of reserves. ... Borio, Claudio, Monetary Policy Operating Procedures in Industrial Countries,” BIS Working Papers No. 40, March 1997. Clinton, Kevin, “Implementation of Monetary Policy in a Regime with Zero ... increase in balances during a period of policy tightening is consistent with the operation of a floor system and an absence of fine-tuning of the level of balances as long as they remain sufficient...