The Effect of Information on Payoff in Kleptoparasitic Interactions

  • Mark Broom
  • Jan Rychtář
  • David G. Sykes
Conference paper
Part of the Springer Proceedings in Mathematics & Statistics book series (PROMS, volume 64)


We model stealing interactions as a Producer–Scrounger game in an extensive form where one individual, the scrounger, may attempt to steal a valuable item from another, the producer, who may in turn defend it. The population is not homogeneous, but rather the individuals may place a different value on the same resource. The difference in valuation causes the appearance of several informational situations; in this paper we consider three main ones: (1) individuals are aware of their own as well as their opponent’s valuation, (2) individuals are aware only of their own valuation, and (3) individuals are not aware even of their own valuation. We study the effect of information availability on the scrounger’s payoff. We not only show that situation (1) is never worse than (2), but we also demonstrate that situation (3) can be worse than (1) and (2) for some parameters, but can be better than (1) and (2) for other values.


Full Information Expected Payoff Partial Information Extensive Form Information Case 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.



The research was supported by NSF grants DMS-0850465 and DBI-0926288, Simons Foundation grant 245400 and UNCG Undergraduate Research Award in Mathematics and Statistics.


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Copyright information

© Springer Science+Business Media New York 2013

Authors and Affiliations

  1. 1.Department of MathematicsCity University LondonLondonUK
  2. 2.Department of Mathematics and StatisticsThe University of North Carolina at GreensboroGreensboroUSA

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