In the context of a damaging absence clarity, we define “Islamist Extremism” as: absolutely divided and antagonistic Worldview “Us”-true-Muslim “in-group” who must strive to live in an “Islamic” State versus “Them”-non-Muslim’ “wrong”-Muslim “out-groups” are stripped their human status due opposition “true Islam.” We illustrate this definition “Extremism” - including showing how Islamist Extrem...

We analyze an electoral competition model with two offi ce motivated candidates where a) one of the two candidates enjoys a non-policy advantage and b) voters use shortcuts (e.g. interest-group/media endorsements) to infer the policy platforms of the competing candidates. That is, voters have imperfect information about the candidates’policy proposals: they do not observe the exact policy propo...

One aspect of opinion change that has been of academic interest is the impact of people with extreme opinions (extremists) on opinion dynamics. Amblard and Deffuant (2004) used an agent-based model to study the role of small-world social network topologies on general opinion change in the presence of extremists. They found that opinion convergence to a single extreme occurs only when the averag...