The volunteer’s dilemma in finite populations

We study the long-run stochastic stability properties of volunteering strategies in finite populations. We allow for mixed strategies, characterized by the probability that a player may not volunteer. A pairwise comparison of evolutionary strategies shows that the strategy with a lower probability o...

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Bibliographic Details
Published in:Journal of evolutionary economics 2021-09, Vol.31 (4), p.1277-1290
Main Authors: Konrad, Kai A, Morath, Florian
Format: Article
Language:English
Subjects:
Economic Growth
Economic Theory/Quantitative Economics/Mathematical Methods
Economics
Economics and Finance
Entrepreneurship
Finite populations
Institutional/Evolutionary Economics
Microeconomics
Mixed strategies
R & D/Technology Policy
Regular Article
Stochastic stability
Volunteering
Volunteers
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Summary:We study the long-run stochastic stability properties of volunteering strategies in finite populations. We allow for mixed strategies, characterized by the probability that a player may not volunteer. A pairwise comparison of evolutionary strategies shows that the strategy with a lower probability of volunteering is advantaged. However, in the long run there are also populations of volunteering types. Monomorphisms with the more volunteering types are more frequent if the populations have fewer members, and if the benefits from volunteering are larger. Such monomorphisms with volunteering cease to exist if the population becomes infinitely large. In contrast, the disadvantage of volunteering disappears if the ratio of individual benefits and costs of volunteering becomes infinitely large.
ISSN:1432-1386
0936-9937
1432-1386
DOI:10.1007/s00191-020-00719-y