Scientific macroeconomics, if it is to be genuinely scientific, must not be contaminated by human psychology.  Gustav Kirchhoff’s laws of the electric circuit do not incorporate the psychology of the human who operates the levers or switches.  So, Lonergan, the scientist, strove to discover the purely relational, purely functional laws of the circuits of the objective economic process.  Unfortunately, many proponents of Modern Monetary Theory exhibit sentiments and inclinations favoring a totalitarian bureaucracy for the management of fiscal and monetary affairs. Their purported science contains some valid assertions, but is not a coherent set of objective laws to which participants must adapt, regardless of sentiment; rather MMT is an admixture of several ideological and psychopolitical sentiments transformed into a contaminated set of mandates for the management of fiscal and monetary affairs.  The tenets of MMT fail to constitute a fully explanatory theory of macroeconomic dynamics. (to continue reading, click here)