The DOI matches its Crossref record.
No pure strategy is evolutionarily stable in the repeated Prisoner's Dilemma game
Overview
The claims and statistics of this paper haven’t been checked yet.
Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.
Integrity signals
Registry
Cites
Statistics
Verification
Claims the paper makes
The claims and statistics of this paper haven’t been checked yet.
Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.
Self-check
Percentages, sums and reported differences re-computed from the paper’s own numbers.
The self-check needs the paper’s full text.
Citations
Cited by
Evolution of indirect reciprocity by image scoring
Nowak, M. A., & Sigmund, K. (1998) · Nature · doi:10.1038/31225 · Cited by 2,700
A strategy of win-stay, lose-shift that outperforms tit-for-tat in the Prisoner's Dilemma game
Nowak, M., & Sigmund, K. (1993) · Nature · doi:10.1038/364056a0 · Cited by 1,797
Punishment allows the evolution of cooperation (or anything else) in sizable groups
Boyd, R., & Richerson, P. J. (1992) · Ethology and Sociobiology · doi:10.1016/0162-3095(92)90032-y · Cited by 1,482
Self-citationEvolutionary Dynamics of Biological Games
Nowak, M. A., & Sigmund, K. (2004) · Science · doi:10.1126/science.1093411 · Cited by 1,184
Cultural group selection, coevolutionary processes and large-scale cooperation
Henrich, J. (2004) · Journal of Economic Behavior & Organization · doi:10.1016/s0167-2681(03)00094-5 · Cited by 1,096
Metadata
- Authors
- Boyd, R., & Lorberbaum, J. P.
- Venue
- Nature
- Published
- 1987-05
- Volume
- 327
- Issue
- 6117
- Pages
- 58-59
- ISSN
- 0028-0836 (ISSN-L)
- 1476-4687
- OpenAlex
- W2053845340
- Cited by
- 422
- References
- 0
- FWCI
- 55.75
- Type
- journal article
- Language
- en
- Open access
- closed
About these checks
Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.
Statistics and arithmetic are recomputed, not judged.
Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.
What counts as a claim ›How we measure confidence ›How we check this ›
Are you an author, or do you see a problem with this page? Request a review
How to cite
Cite CoChat for the checks on this page, and the paper for its own findings.
- This page
- CoChat. (2026). Citation check: No pure strategy is evolutionarily stable in the repeated Prisoner's Dilemma game. https://app.cochat.ai/papers/10.1038/327058a0
- The paper
- Boyd, R., & Lorberbaum, J. P. (1987). No pure strategy is evolutionarily stable in the repeated Prisoner's Dilemma game. Nature. https://doi.org/10.1038/327058a0
Data sources
Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.