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When Reciprocity is not Enough : Explaining Anti-Social Outcomes via Intrinsic Personality Traits

Titelangaben

Baumann, Michael Heinrich ; Baumann, Michaela:
When Reciprocity is not Enough : Explaining Anti-Social Outcomes via Intrinsic Personality Traits.
Bayreuth , 2025 . - 28 S.
DOI: https://doi.org/10.15495/EPub_UBT_00008501

Volltext

Link zum Volltext (externe URL): Volltext

Abstract

Behavior and outcomes that do not fit to classical game theory are often observed and, hence, reported. Common explanations for that are, e.g., repeated games, reciprocity, costly punishment, and pure altruism. Via the prisoner's dilemma and costly punishment, we show that those explanations, esp. reciprocity, are not always able to account for outcomes that involve anti-social punishment, i.e., to punish someone after a successful cooperation. We demonstrate, however, that intrinsic motivations, including both altruism and spiteful preferences, additional to material payoffs can explain those outcomes. To capture the agents' intrinsic motivation we introduce a uniform notion of altruism and sadism, the so-called SEA model. Further, we present a Python code to find so-called (pure-strategy) SEA Nash equilibria. Conclusively, we illustrate the SEA model via simple, well-known games.

Weitere Angaben

Publikationsform: Working paper, Diskussionspapier
Keywords: Game Theory; Fairness; Altruism; Sadism; Egoism; Prisoner's Dilemma; Anti-Social Punishment; Public Goods Game; Reciprocity; One-Shot Game
Fachklassifikationen: JEL codes: C72, C73, D9

UDC: 519.83

MSC2020: 91A05, 91A10, 91A20, 91A40
Institutionen der Universität: Fakultäten > Fakultät für Mathematik, Physik und Informatik > Mathematisches Institut > Lehrstuhl Angewandte Mathematik
Profilfelder > Advanced Fields > Nichtlineare Dynamik
Forschungseinrichtungen > Zentrale wissenschaftliche Einrichtungen > Bayreuther Zentrum für Modellierung und Simulation (MODUS)
Fakultäten
Fakultäten > Fakultät für Mathematik, Physik und Informatik
Fakultäten > Fakultät für Mathematik, Physik und Informatik > Mathematisches Institut
Profilfelder
Profilfelder > Advanced Fields
Forschungseinrichtungen
Forschungseinrichtungen > Zentrale wissenschaftliche Einrichtungen
Titel an der UBT entstanden: Ja
Themengebiete aus DDC: 300 Sozialwissenschaften > 330 Wirtschaft
500 Naturwissenschaften und Mathematik > 510 Mathematik
Eingestellt am: 28 Jun 2025 21:00
Letzte Änderung: 28 Jun 2025 21:00
URI: https://eref.uni-bayreuth.de/id/eprint/94009