Who talks to whom, and how do those patterns harden or break? I use dynamic and relational network models to study how expert and political networks segregate — and how core network mechanisms respond when an exogenous shock hits.

  • Epistemic Elite Networks Working Paper — who talks to whom among 1,933 foreign-policy elites; networks split on national, not professional, lines
  • Network Shocks Working Paper — how homophily, transitivity, and preferential attachment respond to shocks