December 7, 2013
In case of further negative shocks the ECB has three final policy options. First, it could nudge its refinancing rate close to zero and become the first large central bank to introduce a negative deposit rate. Second, it could revive long-term repo operations, probably with a link to private credit and collateral enhancement, and accompanying cuts in minimum reserves and sterilization operations. Third, as a final recourse, the ECB could invoke its right to buy both public and private securities for the purpose of preserving price stability. This final step would raise most difficult operational issues, far more so than quantitative easing in other currency areas.
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