access only to friendly media outlets and denying access to critical ones. While an incumbent prefers positive bias, granting … gatekeeping can induce a quid pro quo relationship: media provides coverage with positive bias in exchange of future access …

This paper models the competition of user networks as a continuous-time Markov process. It presents a dynamic version … competition can be characterized by the coexistence of lock-in regimes and a 'metastable' state - i.e. a state which is a …