Plausibly Exogenous - Network of Thrones (07/09/2021)

LHS Variable
Interstate conflict

RHS Variable
Interpersonal kinship relationship

Plausibly Exogenous Variation
Deaths of individuals important to the kinship network which are exogenous with regard to the international political situation (e.g. deaths due to battle, assassination, and execution)

Source: Benzell and Cooke (2021), “A network of thrones: kinships and conflict in Europe, 1495-1918