(ii)  Bilateral collateralisation: though bilateral collateralisation is considered an efficient, though sub-optimal, solution to central clearing, it involves significant trade-offs.   BIS Review 102/2010  Move towards increased collateralisation could increase cost for hedging by the real sector and place huge premium on availability of good quality collateral.
At the moment, there is reason to doubt whether all of our citizens truly believe that banks are capable of the kind of decency we need to see. The many unforgivable market manipulation scandals of recent years have further undermined public trust in the willingness of banks to behave responsibly.