Current macro-economic textbooks provide a fatally misleading description of the money supply process in modern economies. Over the past 20 years Post Keynesian authors have established conclusively that despite strictly-enforced cash reserve requirements, changes in the supply of bank deposits are not determined exogenously by central bank open market operations, but are endogenously determined by changes in bank borrowers demand for credit. Nevertheless the vast majority of undergraduate macroeconomic textbooks continue to teach the highpowered-base money-multiplier paradigm that the supply of money is exogenously determined by the central bank. Few texts recognize that interest rate targeting renders the high-powered base endogenous.
This paper summarizes the extent mainstream macroeconomic textbooks are locked in and sticky, and fail both in the teaching of monetary policy and in proper scientific discourse.
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