Publication detail

Tolerable Intolerance: An Evolutionary Model

Author(s): doc. PhDr. Martin Gregor Ph.D.,
Type: IES Working Papers
Year: 2005
Number: 72
ISSN / ISBN:
Published in: IES WP 2005/72
Publishing place: Prague
Keywords: Evolutionary stability, Religion, Political ideology
JEL codes: A13, C79, Z10
Suggested Citation:
Grants: GACR 402/05/H510 Ekonomická teorie politických trhů IES Research Framework Institutional task (2005-2011) Integration of the Czech economy into European union and its development
Abstract: Does intolerance necessarily prosper in a tolerant society, or is deemed to decay? To address the question, I build an evolutionary model of competing (political and/or religious) beliefs. In the model, individuals are assumed to gain from having beliefs. The gain may increase with intolerance of the belief (premium). High intolerance, however, makes strong believers fragile in a society of tolerant people. Having examined evolutionarily stable states in two specifications, I demonstrate that (for any positive premium) heterogeneity cannot prevent intolerant beliefs from spreading out. A sufficiently small increase in intolerance, when premium exceeds losses from fragility, allows intolerance to spread. Intolerance is vulnerable only as long as the premium is non-positive. This finding can also be interpreted as follows: unless fundamentalist confessions are proved to be vital for individual human existence (positive premium), a tolerant society needs no intervention to preserve tolerance.
Downloadable: WP 72_Gregor
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