On 15 September, the ECB has announced three additional US dollar operations with a maturity of about three months, which cover the end of the year. Importantly, the ECB has, in  12  ECB (2010), Annual Report.
13  For a formal discussion of these different dimensions of monetary policy, see Cúrdia and Woodford, “The Central-Bank Balance Sheet as an Instrument of monetary policy”, mimeo, April 2010.