We explain persistent differences in cultural traits of immigrant groups with the presence of community leaders. Leaders influence the cultural traits of their community, which have an impact on the group's earnings. They determine whether a community will be more assimilated and wealthier or...

We highlight that convergence in repeated averaging models commonly used to study cultural traits or opinion dynamics is not equivalent to convergence in Markov chain settings if transition matrices are time-varying. We then establish a new proof for the convergence of cultural traits in the...

This paper surveys the existing literature on religious and cultural leaders. It discusses potential motivations of a leader and highlights that irrespective of his/her exact motivations, the presence of a leader is crucial for the cultural heterogeneity of a society. The impact of...