Licensed under the terms of the Creative Commons Attribution Non-Commercial LicenseMany papers studying mediation in conflict resolution focuses on mediator characteristics as unbiased vs. biased. Some emphasize the necessity of unbiasedness, while others argue that only biased mediators can play an effective role. The opposite views in the literature stems from the nature of conflicts in question and the differences in the (un)biasedness definition. This paper investigates the need for a mediator and the role of mediator characteristics by employing the tools of game theory in a framework where the strategic interaction of two disputing parties have an impact on different issues at stake which involve conflicting or common interests. The d...