Heller, Claudia; Dessotti, Marina - 2007
The General Theory of Employment, Interest and Money by John Maynard Keynes led up to three cross-shaped graphical … Keynes's original 1936 book. The three models are graphical (and algebraical) formalizations of Keynes's theory, but the last … effective demand, as they were presented by Keynes in the General Theory. The purpose of the paper is to identify which original …