The truth is, except to confirm that private for profit banking and finance is an illegitimate and de-stabilizing factor in economics (Keen’s and Hudson’s conclusions ….whether or not they fully understand them themselves), macro-economics is largely an unfruitful distraction from much more important insights to be deciphered in micro-economics and the actually productive process, especially at the point of retail sale where a simple algebraic price and monetary policy can be implemented with paradigm changing consequences.