In my view, weighing the relative costs of the upside and downside risks also favors accommodation; in particular, it is important that we ensure, as best we can, that the current expansion will become self-sustaining and that the inflation rate does not fall further.
They also work better in more developed countries where wages and personnel costs to handle less automated payment systems are higher. BIS Review 97/1999  4  The small average size of stored-value transactions suggests that stored-value cards will substitute for currency, if they substitute for anything.