• Publications
  • Influence
The collective-risk social dilemma and the prevention of simulated dangerous climate change
TLDR
The social window humankind has to prevent dangerous climate change is described and one possible strategy to relieve the collective-risk dilemma in high-risk situations is to convince people that failure to invest enough is very likely to cause grave financial loss to the individual.
Reputation helps solve the ‘tragedy of the commons’
TLDR
It is shown, through alternating rounds of public goods and indirect reciprocity games, that the need to maintain reputation for indirect reciprocities maintains contributions to the public good at an unexpectedly high level, but if rounds of indirect reciprocation are not expected, then contributions toThe public good drop quickly to zero.
The Major Histocompatibility Complex, Sexual Selection, and Mate Choice
TLDR
MHC ligand peptides may be the natural “perfume” that reveals a potential partner's MHC genetics probably in all vertebrates and maximizes resistance to ever-changing infectious diseases.
Cooperation through image scoring in humans.
TLDR
It is shown that image scoring promotes cooperative behavior in situations where direct reciprocity is unlikely, unless indirect reciprocity takes place and is based on image scoring, as recently shown by game theorists.
Female sticklebacks count alleles in a strategy of sexual selection explaining MHC polymorphism
TLDR
It is argued that there are two (non-exclusive) strategies for MHC-related sexual selection, representing solutions to two different problems: inbreeding avoidance and parasite resistance.
TIT FOR TAT in sticklebacks and the evolution of cooperation
TLDR
Using a system of mirrors, single three-spined sticklebacks approaching a live predator were provided with either a simulated cooperating companion or a simulated defecting one supporting the hypothesis that cooperation can evolve among egoists.
Mate choice decisions of stickleback females predictably modified by MHC peptide ligands.
TLDR
It is suggested that female sticklebacks use evolutionarily conserved structural features of MHC peptide ligands to evaluate MHC diversity of their prospective mating partners.
Female sticklebacks use male coloration in mate choice and hence avoid parasitized males
TLDR
It is shown that in the three-spined stickleback (Gasterosteus aculeatus) the intensity of male red breeding coloration positively correlates with physical condition, and the females recognize the formerly parasitized males by the lower intensity of theirbreeding coloration.
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