Chapter Six and its Appendix deal in some detail with the way Keynes is defining income, savings and investment in the General Theory while the appendix to Chapter 6 goes into detail on user cost. His concept of user cost at one point sparked a certain amount of controversy among Keynesians but...

In Chapter 3 of the General Theory, Keynes sketches out what he calls the essence of the General Theory of Employment. He introduces the Keynesian expenditure-based model, the aggregate demand curve and also his aggregate supply function, a concept which spawned much debate among Post-Keynesian...