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Using two unifying models and an empirical exercise, this paper presents and extends the main theories linking income distribution and growth, as well as the relevant empirical evidence. The first model integrates the political economy and imperfect capital markets theories while the second is a growth version of the prisoner's dilemma. The economy's growth rate is shown to fall with interest groups' rent-seeking abilities, as well as with the gap between rich and poor. It is not income inequality per se that matters, however, but inequality in the relative distribution of earning and political power.

In earlier work we identified a robust negative association between religiosity and patents per capita, holding across countries as well as US states. In this paper we relate 11 indicators of individual openness to innovation (e.g., attitudes toward science and technology, new versus old ideas, change, risk taking, agency, imagination, and independence in children) to 5 measures of religiosity, including beliefs and attendance. We use five waves of the World Values Survey and control for sociodemographics, country and year fixed effects. Across the 52 regressions, greater religiosity is almost uniformly associated to less favorable views of innovation, with high significance.