We study the association between infectious disease prevalence and income inequality. We hypothesize that random social mixing in an income-unequal society brings into contact a) susceptible and infected poor and b) the infected-poor and the susceptible-rich, raising infectious disease...

We present an overlapping generations model in which a labor market friction (moral hazard) coexists and interacts with a credit market friction (costly state verification). Our main results are: (i) while credit market frictions have long- and short-run real effects, labor market frictions...

In most demographic transitions, declines in child mortality precede declines in net fertility rates. Variants of the Barro–Becker model of fertility fail to deliver this link. A simple extension, the inclusion of social norms regarding fertility, generates the desired effect.