Children early in the birth order get more parental care than later children. Does this significantly affect their life chances? An extensive genealogy of 428,280 English people 1680-2024, with substantial sets of complete families, suggests that birth order had little effect on social outcomes...

In societies where surnames are inherited from parents, we can use these names to estimate rates of intergenerational mobility. This paper explains how to make such estimates, and illustrates their use in pre-industrial England and modern Chile and India. These surname estimates have the...

Small-scale human societies range from foraging bands with a strong egalitarian ethos to more economically stratified agrarian and pastoral societies. We explain this variation in inequality using a dynamic model in which a population's long-run steady-state level of inequality depends on the...

This paper measures social mobility rates in Hungary 1949-2017, for upper class and underclass families, using surnames to measure social status. In these years there were two very different social regimes. The first was the Hungarian People’s Republic, 1949-1989, a Communist regime with an...