Ideal Cost-Free Distributions in Structured Populations for General Payoff Functions

Mark Broom () and Jan Rychtář ()
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Mark Broom: City, University of London
Jan Rychtář: The University of North Carolina at Greensboro

Dynamic Games and Applications, 2018, vol. 8, issue 1, No 4, 79-92

Abstract: Abstract The important biological problem of how groups of animals should allocate themselves between different habitats has been modelled extensively. Such habitat selection models have usually involved infinite well-mixed populations. In particular, the model of allocation over a number of food patches when movement is not costly, the ideal free distribution (IFD) model, is well developed. Here we generalize (and solve) a habitat selection game for a finite structured population. We show that habitat selection in such a structured population can have multiple stable solutions (in contrast to the equivalent IFD model where the solution is unique). We also define and study a “predator dilution game” where unlike in the habitat selection game, individuals prefer to aggregate (to avoid being caught by predators due to the dilution effect) and show that this model has a unique solution when movement is unrestricted.

Keywords: Structured populations; IFD; Multi-player games; Best response dynamics (search for similar items in EconPapers)
Date: 2018
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Citations: View citations in EconPapers (1)

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DOI: 10.1007/s13235-016-0204-4

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