This paper aims to explain the significant variations in the social contracts which can be observed across nations. It shows in particular how countries with similar technologies and preferences, as well as equally democratic political systems, can sustain very different avrage and marginal tax...

A class of inequality measures that is a natural companion to the popular Lorenz curve is the class of measures that are linear in incomes. These measures, which include the Gini and S-Gini coefficients, can be interpreted as ethical means of relative deprivation feelings. Their change through...

This role of faith-inspired health care providers in sub-saharan Africa and public-private partnerships is comprised of a three volume series on strengthening the evidence for faith inspired engagement in health in sub-Saharan Africa. An increasing level of interest in the role of faith in...