More essentially, however, it should be emphasized that the realization of similar inflation rates by Japan and other countries will bring stability of exchange rates in the long run, and ultimately the stability of financial markets and corporate activities.
A capital surcharge for systemically important banks fits with this reasoning and compensates for the unfair benefits of being very large. This is a fully intended consequence and will enhance economic efficiency and market discipline. BIS central bankers’ speeches  3  But there may be unintended consequences too.