Since 2008, excess liquidity - defined as the sum of holdings of central bank reserves in excess of reserve requirements and holdings of equivalent central bank deposits - has tended to accumulate in specific euro area countries and in a small, slowly changing group of credit institutions....

This paper provides a comprehensive overview of the use of the Eurosystem's monetary policy instruments and the operational framework from the third quarter of 2012 until the first quarter of 2016. The paper reviews the context of Eurosystem market operations, counterparty and collateral...