"Thoroughly updated and expanded with a new chapter on block chain and increased coverage of cryptocurrency, as well as new data, this established advanced undergraduate textbook approaches the subject via first principles. It builds on a simple, clear monetary model and applies this framework...

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...