Management by a central bank of a country's money supply to ensure the availability of credit in quantities and at levels consistent with specific national objectives. The bank's tools include open market operations in the money markets, intervention in foreign exchange and controls over financial institutions via interest rate ceilings and curbs on lending., rahapoliitika, monetaarpoliitika - keskpanga tegevusjoon kontrolli teostamisel raha, intressimäärade ja krediiditingimuste üle. Rahapoliitika instrumentideks on eeskätt avaturutehingud, reservinõuded ja diskontomäärad.