The rational addiction (RA) model of Becker and Murphy (Becker GS, Murphy KM. A theory of rational addiction. J Pol Econ 1988; 96(4): 675-700) has rapidly become one of the standard models in the literature on addictive behaviour. This paper reviews some theoretical issues surrounding its use, and...

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, his aggregate demand function and also his aggregate supply function, a concept which spawned much debate among...

In Chapter 4 of the General Theory, Keynes discusses the units of measurement he will be using in the remainder of the book, in particular his reason for measuring in nominal rather than real terms, objection to aggregate measures of real output and physical capital stock, and his concept of...

Chapters 8, 9 and 10 set out Keynes’ theory of consumer behavior. Chapter 8 is entitled The Propensity to Consume: I. The Objective Factors, Chapter 9 is The Propensity to Consume: II. The Subjective Factors, and Chapter 10 is The Marginal Propensity to Consume and the Multiplier. Contrary to...

This paper puts John Maynard Keynes’ "The General Theory of Employment, Interest and Money" into its historical context, both in terms of economic history and in terms of the history of economics. It discusses the post-World War I period as background to the General Theory, looks at the...

Chapter 2 is one of the most important chapters in the General Theory. Not only does it set out Keynes’ disagreements with key elements of the classical model, it lays out his own model of the working of the labour market, which underlies the analysis in the remainder of the General Theory....

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 the health economics literature there is an ongoing debate over approaches used to estimate the efficiency of health systems at various levels, from the level of the individual hospital - or nursing home - up to that of the health system as a whole. The two most widely used approaches to...