The decision to take steroids and other performance-enhancing drugs is a dominant strategy, leading to a prisoner's dilemma (by Bruce Schneier)

Questions the wisdom of applying tit for tat to the Israel-Lebanon war (by Tim Harford)

A discussion of the theoretical and psychological elements of risk in the insurance industry (by Tim Harford)

A certain bacteria-eatring virus plays the prisoner's dilemma, with "cheat" a substantial proportion evolving to play "cheat." (by Paul E. Turner)

The Prisoner's dilemma applied to politics: "Most people won't vote for the minor parties because they expect other people not to vote for them, and therefore consider such a vote wasted" (by George Monbiot)

Prisoners' dilemmas are only troublesome when people are assumed to be selfish. Yet, if we predicate public policy on reciprocity and cooperation, better outcomes would result. (by John Kay)

A modern updating of Axelrod's tournament finds a strategy that beats tit for tat in the prisoner's dilemma, but only by sacrificing team mates.

Moral hazard allows AL batters to get hit by pitches more often than NL batters since the designated hitter rule precludes a tit-for-tat response.

Notes that international cooperation to fight terrorism is a prisoner's dilemma with each nation having incentive to do less than its share.

Student paper notes that college dating is a prisoner's dilemma with payoffs expressed in "exclusivity points" (yup, it's a stretch).

A 1974 parody show serves as an example of "Living Scultpure". Contestants participated in a prisoner's dilemma with payoffs reflected as hours of solitary time in a basement.

Academic cheating is pervasive and creates a prisoner's dilemma as people may elect cheat to stay competitive.

Being trusting in business is not naive but an optimal way to play repeated prisoner's dilemmas according to Axelrod's findings.

Price wars continue in the prisoner's dilemma of automotive pricing.

Quantum computing holds a solution to the prisoner's dilemma, physicists show.

Blue Jays trained to play the prisoner's dilemma appear to adopt a tit-for-tat strategy, leading to cooperation.

Compatibility of hardware and software is a prisoner's dilemma, resolved by the adoption of standards.

Philosopher offers resolution to prisoner's dilemma relying on the establishment of "social identities."

The repeated prisoner's dilemma of OPEC cooperation is unstable.

Quantum computing holds a solution to the prisoner's dilemma and other games, physicists show. (by Chiu Fan Lee and Neil F Johnson)

Psychiatrists note that cooperation in the prisoner's dilemma is part of innate altruism.

Psychiatrists note that cooperation in the prisoner's dilemma is part of innate altruism.

An introduction to social struggle as a prisoner's dilemma in which the role of government is to devise the right game to be played. (by Alejandro Reuss)

Quantum computing holds a solution to the prisoner's dilemma, physicists show.

Encryption: the web is a one-shot, not an iterated prisoner's dilemma

Applications of Thaler's research on risk tolerance and rationality to poker

Describes evidence of Amotz Zahavi's "handicap principle" by which risky, extravangant behaviors by many species of animals signal strength and ability.

Quantum computing holds a solution to the prisoner's dilemma, physicists show. (by Erica Klarreich)

The desire to hoard antibiotics in response to anthrax threats leads to a prisoner's dilemma and limited supplies. (by John Allen Paulos)

The benefits of taking on risk are higher-than-average returns, but there are no risks if airlines are bailed out.

Cities cought in a prisoner's dilemma over recruiting basketball teams.

The prisoner's dilemma as an educational tool for developers.

Hospitals bidding for nurses find themselves in a prisoner's dilemma.

Early aggression may lead to retribution in strategy board games.

Retail overexpansion the result of a prisoner's dilemma

Discusses tit-for-tat as an optimal strategy in repeated games

Proper assignment of liability creates the incentives for those best able to manage risk to do so.

Alternating between two losing gambles can lead to winning

Quantum computing holds a solution to the prisoner's dilemma

Alternating between two losing gambles can lead to winning

Primitive phages, bacteria-infecting viruses, play the prisoner's dilemma on a genetic, evolutionary level.

Incorrectly describes a stock market bubble as a prisoner's dilemma but does describe the boundedly rational greater fool theory.

Drama Theory attempts to reconcile game theory with irrationality, emotional commitment.

Risk management and incentive pay in physician groups.

Can cooperation in prisoner's dilemma -type games evolve without repeated interaction, through indirect reciprocity?

Describes the use of tit for tat throughout the natural world and notes Axelrod's findings.

Pollution regulation is a prisoner's dilemma between companies and regulators

The Greenhouse Effect results from a tragedy of the commons which can be overcome with tit-for-tat strategies.