This paper compares Marx's economics with those by Sraffa, Keynes, Kalecki and Minsky. The paper takes an "ex post" view on the matter and rather looks at the output side of the respective authors, but not at the input side. This means no attempt is made at studying in a systematic way, if and...

Keynes introduces the term 'effective demand' in chapter 3 of the General Theory as designating the point of intersection of two functions: the 'aggregate demand function' (D) and the 'aggregate supply function' (Z). For the first time in the literature, I here specify exact functional forms for...