If the marginal utility of consumption depends on health status, this will affect the economic analysis of a number of central problems in public finance, including the optimal structure of health insurance and optimal life cycle savings. In this paper, we describe the promises and challenges of...

It is commonly claimed in the recent happiness literature in psychology and economics that we have proved diminishing marginal utility of income. This paper suggests that we have not. It draws a distinction between concavity of the utility function and concavity of the reporting function.