The current concerns about the public finances also need to be taken into account in the consideration of non-standard monetary policy measures. Central banks need to be wary of the credit risk incurred in their monetary policy operations as this might put their financial independence and reputation at risk.
The usual suggested premiums for deposit insurance are, of course, far from those that would fully eliminate the subsidy that insurance provides to depository institutions and their borrowers and depositors, especially at times of financial crisis.