An enduring rivalry is a competition between states that involve six or more militarized disputes between the same two states around 1960 might be associated with the onset of new rivalries.   Political shocks were found to be a modest necessary conditio...

Article offers an evolutionary model of how the relationship between two adversaries moves toward or away from rivalry over time, emphasizing the changing context of their relations and the influence of both past events and prospect of future interaction.  ...

Point:  Action-reaction in crisis is radically different in rivalries than in regular conflict.  Rivalry not only makes escalation and crises more likely, but also significantly interacts with more traditional predictors of conflict such as capability ratios, ...