This research advances and empirically establishes the hypothesis that, in the course of the prehistoric exodus of Homo sapiens out of Africa, variation in migratory distance to various settlements across the globe affected genetic diversity and has had a persistent hump-shaped effect on...

We construct a model to study the implications of changes in political institutions for economic institutions. A change in political institutions alters the distribution of de jure political power, but creates incentives for investments in de facto political power to partially or even fully...

Social institutions were often founded by the elite to avoid social upheavals. Institutions helped mitigate the threat of violent social responses to labor-saving innovations. But their organizational forms were influenced by preexisting cultural and social factors. The differences in Chinese...

Our theory of cultural-institutional persistence and innovation is based on uncoordinated updating of individual social norms and contracts, so that both culture and institutions co-evolve. We explain why Pareto-dominated cultural-institutional configurations may persist over long periods and...