Understanding of the substantial disparity in health between low and high socioeconomic status (SES) groups is hampered by the lack of a sufficiently comprehensive theoretical framework to interpret empirical facts and to predict yet untested relations. The authors present a life-cycle model...

This paper presents a theory of the demand for health, health investment and longevity, building on the human capital framework for health and addressing limitations of existing models. It predicts a negative correlation between health investment and health, that the health of wealthy and...