We describe Aristotle's mathematical model of weighted voting to explain and implement decision-making in democracies, oligarchies and the mixed states that combine elements of both systems. This model, originally presented in textual form, extends the known history of social choice theory back...

To what extent did class shape political behavior during early democratization and industrialization, and did class voting reflect economic interests or durable political identities? We use newly collected individual-level panel data from open-ballot elections in the nineteenth-century...