Issue indivisibility is one of the classic rationalist explanations for war advanced by James Fearon in his 1995 article "Rationalist Explanations for War" (International Organization, Vol. 49, No. 3). Alongside private information with incentives to misrepresent and commitment problems, indivisibility describes situations where the disputed object — territory, sovereignty, a holy site, a throne, a status hierarchy — cannot be divided into a continuous range of settlements that both sides prefer to fighting.
In standard bargaining theory, if states are roughly rational and war is costly, there should almost always exist a negotiated deal that both sides prefer to the lottery of conflict. Indivisibility breaks this logic: if the good is lumpy (one side gets it all, or no one does), the bargaining range may be empty even when both parties know each other's capabilities and resolve.
Fearon himself was skeptical that true indivisibility is common, arguing that side-payments, issue linkage, alternating control, or partial sovereignty arrangements can usually divide what looks indivisible. Subsequent scholars — notably Stacie Goddard (2006, 2010) and Ron Hassner (2003 on sacred space) — push back, showing that indivisibility is often socially constructed. Actors frame issues as indivisible through rhetoric, legitimation, and identity claims, and once framed that way, leaders cannot climb down without domestic punishment.
Commonly cited empirical cases include:
- Jerusalem and the Temple Mount / Haram al-Sharif in Israeli-Palestinian negotiations
- Kashmir between India and Pakistan
- Taiwan's status in cross-Strait relations
- Kosovo's sovereignty for Serbia
- Crimea in Russian nationalist discourse after 2014
For MUN delegates and IR students, indivisibility is useful for explaining why otherwise tractable disputes resist mediation, why partition plans (e.g., 1947 UN Partition Plan for Palestine) fail, and why symbolic and religious goods generate disproportionate violence relative to their material value.
Example
During the 2000 Camp David Summit, negotiations between Ehud Barak and Yasser Arafat collapsed in part over the status of Jerusalem's Old City, which both sides framed as religiously and nationally indivisible.
Frequently asked questions
Most contemporary scholars, following Goddard and Hassner, treat it as socially constructed: leaders and movements frame issues as indivisible through legitimation strategies, which then constrains their ability to compromise.
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