A proxy for the size of the shadow banking sector can then be calculated by adding money market funds to the sector “non-monetary financial intermediaries other than insurance corporations and pension funds”, and by subtracting other investment funds. See the article “Enhancing the Monitoring of Shadow Banking”. ECB Monthly Bulletin, February 2013. 26  A similar point is made by Brunnermeier et al (2011).
This type of consumer assessment is of special interest also to the central bank, as the regulator responsible for maintaining the stability and soundness of the industry, and confidence in the financial system as a whole. 3. The public has a legitimate and fundamental interest in an efficient, sound, liquid and wellfunctioning banking system, that is well-regulated within a stable macroeconomic environment.