"The Recent Slowdown in High-Tech Equipment Price Declines and Some Implications for Business Investment and Labor Productivity," FEDS Notes. Washington: Board of Governors of the Federal Reserve System, March 26. Cúrdia, Vasco (2015). "Why So Slow? A Gradual Return for Interest Rates," FRBSF Economic Letter 2015-32. San Francisco: Federal Reserve Bank of San Francisco, October 12.
Firstly, as I have already suggested, separation is a way of preventing banks with insured deposits from engaging in activities whose risks are potentially high and difficult to quantify precisely, and which are not essential to deposit banking.