In normative public economics it is crucial to know how fast the marginal utility of income declines as income increases. One needs this parameter for cost-bene[fi]t analysis, for optimal taxation and for the (Atkinson) measurement of inequality. We estimate this parameter using four large...

At present six million people are suffering from clinical depression or anxiety disorders, but only a quarter of them are in treatment. NICE Guidelines prescribe the offer of evidence-based psychological therapy, but they are not implemented, due to lack of therapists within the NHS. We...