Demonstrating compelling causal evidence of the existence and strength of peer to peer influence has become the holy grail of modern research in online social networks. In these networks, it has been consistently demonstrated that user characteristics and behavior tend to cluster both in space...

Voluntary contributions from active members are critical for the sustainability of online communities (OCs). Yet how contributions evolve when active OC members transition to OC leaders is not well understood. We study this phenomenon in the context of the Wikipedia Request for Adminship (RfA)...