Distance to Innovations, Kinship Intensity, and Psychological Traits

Psychological traits exhibit substantial variation worldwide, especially among the so-called WEIRD populations. Such psychological could be explained by intensity of kinship family ties that, we hypothesize, depends on reception innovations in organizations. These originated from several centers that also spread other crucial novelties such as agriculture. Less exposed to these organizations, areas far should lower intensity. Indeed, show distance innovation is strongly associated with measured a index and rate cousin marriage both across countries worldwide regions within European countries. This association stronger than Church exposure introduced Schulz et al. (2019). observed through different indicators at levels, although it outside Western Europe, where seems play an additional role.