I suggest the idea of a reporting function, r(.), from reality to feelings. The 'happiness' literature claims we have demonstrated diminishing marginal utility of income. I show not, and that knowing r(.)'s curvature is crucial. A quasi-experiment on heights is studied. -- Money ; diminishing...

This paper proposes a new way to think about happiness. It distinguishes between stocks and flows. Central to the analysis is a concept we call 'hedonic capital'. The paper sets out a model of the dynamics of wellbeing in which bad life-shocks are smoothed by the drawing down of hedonic capital....