Within the minimum reserve framework of the Eurosystem , the reserve requirement of a credit institution is calculated by multiplying the reserve ratio for each category of items in the reserve base with the amount of those items on the institution 's balance sheet .
Struktuurne toiming : avaturutehing , mille eurosüsteem teostab peamiselt selleks , et kohandada rahasektori struktuurset likviidsust võrreldes eurosüsteemiga .