Moreover, optimal rules, that is, those that maximize economic welfare, are highly dependent on the particular model from which they are derived. For example, the optimal rule for one model can produce very bad outcomes in another model. In addition, optimal rules can often be quite complex, thus making them difficult to implement and to communicate to the public.
A system needs to be put in place that supports end-to-end automatic processing, from information input on a smartphone or a business system screen, to service completion as well 2/3  BIS central bankers' speeches  as database preparation for the analysis and high value-added conversion of information for the subsequent information business.