Network effects and economies of scale may also result in concentration. While concentration can offer efficiency benefits, there is a risk that the resulting market power will be misused. Apart from the two-way causality, integration is not the only driver for innovations in payments. There are several other possible drivers.
Conduct of monetary policy Let me turn now to the conduct of monetary policy, bearing in mind the current situation in which prices are not increasing together with the economic recovery. The Bank has made a commitment to continue the current quantitative easing policy until the year-onyear change in the CPI registers zero percent or higher on a sustainable basis.