Key piece by Michal Kalecki that is a must-read and save for its influence on MMT. Kalecki is an important forerunner of MMT, and Bill Mitchell has acknowledged Kalecki influence on his development, for instance. MMT is not only a demand side but also a full employment approach to macro, and Kalecki's work contributed to this.
Read it at New Economic Perspectives
Why Don’t People Want Full Employment? Michal Kalecki’s 1943 Essay on Politics and Ideology