Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Heterogeneity stabilizes reciprocal altruism interactions.

M A Fishman1, A Lotem, L Stone

  • 1Department of Zoology, Tel Aviv University, Tel Aviv, 69978, Israel. mafish@post.tau.ac.il

Journal of Theoretical Biology
|March 10, 2001
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Are biomarkers associated with sensitivity to physical activity?

European journal of pain (London, England)·2023
Same author

Mass Coral Reef Bleaching: A Recent Outcome of Increased El Niño Activity?

Ecology letters·2021
Same author

Chronotherapy of Non-Steroidal Anti-Inflammatory Drugs May Enhance Postoperative Recovery.

Scientific reports·2020
Same author

Benchmarking nurse outcomes in Australian Magnet® hospitals: cross-sectional survey.

BMC nursing·2019
Same author

Characterization of a novel capsaicin/heat ongoing pain model.

European journal of pain (London, England)·2017
Same author

Genome-wide differentiation in closely related populations: the roles of selection and geographic isolation.

Molecular ecology·2016
Same journal

Evolution of quantitative traits: exploring the ecological, social and genetic bases of adaptive polymorphism.

Journal of theoretical biology·2026
Same journal

The male-biased sex ratio in humans and its role in the transition from promiscuity to pair bonding.

Journal of theoretical biology·2026
Same journal

Quantifying the counter-intuitive effects of vaccination by coupling the transmission dynamics of COVID-19 and the evolution of human behaviors.

Journal of theoretical biology·2026
Same journal

An integrative model of FGF2-induced signaling and muscle cell proliferation.

Journal of theoretical biology·2026
Same journal

A hybrid reaction-diffusion and mechanical stimulus model for mandibular bone remodeling under chewing and vibratory loading.

Journal of theoretical biology·2026
Same journal

Integrated tick management strategies in fragmented peridomestic environments.

Journal of theoretical biology·2026
See all related articles

In heterogeneous populations, low-quality individuals defect while high-quality individuals cooperate using tit-for-tat (TfT) in reciprocal altruism. This resolves the evolutionary stability of TfT in direct reciprocity.

Area of Science:

  • Evolutionary Game Theory
  • Behavioral Ecology
  • Social Evolution

Background:

  • Reciprocal altruism explains cooperation but struggles with individual quality differences.
  • Traditional models often assume idealized, homogeneous populations.
  • Methodological limits restricted analysis to population averages.

Purpose of the Study:

  • To analyze the role of individual differences in direct reciprocity using Multitype Evolutionary Game Theory.
  • To investigate the evolutionary stability of cooperation strategies in heterogeneous populations.
  • To resolve the long-standing problem of tit-for-tat (TfT) stability.

Main Methods:

  • Application of Multitype Evolutionary Game Theory.
  • Analysis of direct reciprocity interactions in non-idealized populations.

Related Experiment Videos

  • Modeling heterogeneous populations with varying individual quality.

    • Main Results:

    • Identified an Evolutionary Stable Strategy (ESS) profile in heterogeneous populations.
    • Low-quality individuals (unable to afford reciprocity) defect.
    • High-quality individuals (deriving net benefits) cooperate using unmodified tit-for-tat (TfT).

    Conclusions:

    • Individual quality differences are crucial for understanding reciprocal altruism.
    • Multitype analysis explains TfT stability in direct reciprocity.
    • Findings extend to indirect reciprocal cooperation in heterogeneous populations.