The state of bank liquidity, measured as the banks' net excess reserves (NER) with the central bank, is a critical element of the successful implementation of monetary policy. Central banks have absolute control over NER and manipulate it to bring about a positive NER (in QE periods) to drive...

This is the fifth in a series of seven papers on interest rates and it covers the monetary policy models, a bank liquidity analysis, the concept of quantitative easing in terms of a bank liquidity analysis, and how a QE policy affects interest rates. The seven papers cover: (1) what are interest...