Nicolas Baumard — A mutualistic approach to morality: The evolution of fairness by partner choice

216 published claims from this book.

• A disposition to fairness can evolve even when unshared, unlike a disposition to cooperate.
• A fast automatic sense of ownership arises from proximity, discovery, and contact.
• A genuine moral sense evolved to secure reputation as a cooperator
• A movement against injustice named itself after anger-related emotion
• A partner-choice account of morality predicts avoidant emotions dominate moral life
• A people’s real-life sharing customs predict their game behavior.
• A preference for fairness can directly favor equalitarianism in cooperation.
• Altruism across people parallels self-control across time
• Altruism can be learned analogously to biological evolution
• Altruism is defined by sustained patterns of costly acts, not any single act.
• Altruism without genuine moral emotion signals unreliable future cooperation.
• Altruistic cooperators still choose partners they trust and cooperate only where reciprocation is possible.
• An inflexible moral compass evolved to prevent costly defection errors.
• An outsider’s strength improves the weaker player’s bargaining position
• Anger at being cheated was necessary for fairness to become intrinsically valued
• Anger deters aggression and seeks bargaining power rather than fairness.
• Antisocial punishment is driven by low contributors’ sense of unfair treatment.
• Beneficiaries of unfair gains face reputational pressure to conceal them, with discovery risking blackmail.
• Children’s apparent selfishness in games reflects game comprehension, not moral immaturity
• Cleaning-station outcomes emerge from learned payoff optimization, not explicit contracts.
• Clerical moral concern targets principle and the individual over the collective
• Competition for partners drives costly reputation-building cooperation.
• Competitive altruism permits unconditional giving rather than matched reciprocity
• Competitive equilibrium can exacerbate inequality even while total surplus grows.
• Competitive signalling may drive moral conduct beyond mere fairness.
• Conscience evolved to supply immediate rewards that bridge the gap to future moral payoffs
• Consistent self-serving calculations send inconsistent fairness signals to a community.
• Contributions carry implicit fairness judgments that trigger blame and counter-blame.
• Cooperation and morality are distinct categories.
• Cooperation arises from partner choice, not reciprocal tit-for-tat, across species and human development.
• Cooperation can be sustained by partner exclusion rather than by punitive coercion.
• Cooperation is stabilized either by punishing cheaters or by exiting to new partners.
• Cooperation outcomes depend on partner choice frequency, not rule fairness.
• Cooperation requires self-regulation because its costs are immediate but its benefits are delayed
• Cooperative behavior is partly motivated by reputation concerns.
• Cooperative relationships require asymmetric giving at their outset
• Cooperative ventures are exchanges proportional to each partner’s contribution.
• Corruption can be mutualistic cooperation among partners.
• Costly punishment sustains cooperation that otherwise decays over repeated rounds.
• Debate persists on whether imminent-reward overvaluation is general or arousal-dependent.
• Deriving fairness from bargaining power threatens to reduce moral norms to mere bargaining.
• Dictator-game choices reflect competing theories of rights, not selfishness.
• Dictator-game production phases can isolate which contribution factors people reward
• Dictators invoke entitlement to justify keeping shared stakes for themselves.
• Dictators respect others’ earned property but not windfall money.
• Dictators share money only to the extent recipients’ earned it, not to help them.
• Disgust is not moral in itself; causing it unfairly is.
• Divergent beliefs about poverty’s cause coexist with identical mobility.
• Dolphin cooperation may include partner-fairness evaluation like humans
• Duty-based moral cultures suppress cost-sensitivity in prosocial decisions.
• Duty-based moral systems enforce asymmetric, non-proportional exchange favoring the powerful.
• Duty-based moralities subordinate the individual to maintenance of social norms.
• Duty-based morality may predate and underlie rights-based morality.
• Earned entitlements and game framing change how much people share.
• Earned entitlements reshape perceived fairness in resource division.
• Earning money dramatically reduces dictators’ willingness to share it.
• Economic and social exchanges differ sharply in time horizon and expected reciprocity
• Ego depletion causes less fair reward allocation.
• Equality-as-salient-point cannot explain unequal fair distributions
• Even birthright castes operate as mutual-protection relationships, not pure exploitation.
• Even splits occur in bargaining even without any outside options.
• Exit and voice parallel partner-choice versus punishment responses
• Explaining how cooperative groups formed requires enforcement mechanisms, not just expulsion of the asocial.
• Fair prices reflect long-term relationship value rather than local bargaining leverage.
• Fairness distributions reflect bargaining power, not just effort.
• Fairness emerges when partner choice links each interaction to outside opportunities.
• Fairness equilibria require group-selection processes beyond partner choice alone.
• Fairness evolved as a costly signal of impartiality to avoid third-party condemnation.
• Fairness evolved as a psychological device because outside market options constrain benefit distribution.
• Fairness evolved to distribute payoffs by input, not equally.
• Fairness evolves from partner choice, not partner control
• Fairness impulses must compete against natural selfish impulses via self-regulation
• Fairness in cooperation requires outside options, not contribution.
• Fairness in economic games tracks perceived entitlement rather than raw contribution.
• Fairness is not reducible to mutualistic partner choice.
• Fairness is self-interested because stingy partners get abandoned.
• Fairness judgments track each participant’s earned contribution, not just payoff equality.
• Fairness regulates rather than generates the moralized expression of evolved dispositions
• Fairness rests on impartiality, not mutualistic cooperation.
• Fairness-based morality is uniquely human despite similar selective conditions in animals.
• Fairness-driven giving is distinct from welfare-trade-off favoritism.
• Feelings of disgust may signal partner untrustworthiness to moral judgment.
• Foragers rarely punish; they resolve disputes by avoiding the wrongdoer.
• Game offers track whether people see money as shared or personal.
• Generalized reciprocity cannot be explained by partner-control mechanisms.
• Genuine moral commitments resist monetary incentives to switch
• Genuinely moral partners signal higher reliability than strategically moral ones.
• Group size determines the moral duty each person owes to another in need.
• Group solidarity and in-group favoritism derive from mutualistic relationships, not independent moral rules.
• Harm prohibitions are as central to morality as fairness
• Harmless-looking sexual violations impose hidden reproductive costs on others.
• Harsh antisocial punishment is culturally correlated with weak civic norms.
• Hatred differs from anger in duration, targets groups, and feels morally justified
• Hierarchical states need ideology to legitimize vertical power asymmetry.
• Hierarchy norms derive from an evolved sense of hierarchy, not fairness.
• Human fairness means overriding merit to aid the needy.
• Human moral behavior may originate in mere conformity to convention, not genuine morality.
• Human morality is contingent rather than invariant across circumstances.
• Human morality may rest on a general normativizing capacity, not a dedicated fairness module.
• Humans hold systematic moral intuitions about proportionate sharing, helping, and punishment.
• Humans may extend kin-based sharing rules to strangers by treating them as context-dependent relatives.
• Humans pervasively prefer meritocratic benefit distributions.
• Incidental feelings like disgust and fatigue bias moral judgments indirectly by skewing cost evaluation.
• Infants’ early sensitivity to social patterns is conventional perception, not moral judgment.
• Informal moral behavior builds reputation through accumulated small signals, defeating free-riding.
• Insiders are best positioned to elucidate their own situation.
• Insiders take a society’s basic structure for granted while outsiders judge it unfair.
• Investors who take bigger risks receive proportionally larger returns.
• Labor market experiments contradict the self-interested prediction of standard economic theory
• Large societies delegate moral punishment to specialized paid institutions.
• Legal authority depends on culturally interpreted moral categories
• Lifetime accounting makes apparent altruism actually mutualistic.
• Local property norms shape how people construe ownership over shared resources.
• Low-cost punishment of norm violators is a uniquely human trait.
• Market models explain why moral standards vary across contexts, groups, and individuals.
• Meritocratic fairness norms evolved as adaptations to partner-choice markets
• Moral anger tracks the offender’s intentions, not just the harm done
• Moral behavior depends on self-control, but kin altruism does not.
• Moral behavior shifts with the market supply and demand of cooperative partners
• Moral conduct serves as a costly signal that pays in partner selection.
• Moral consistency can be learned rule-following rather than an innate disposition
• Moral emotions are dominated by punitive anger, not avoidance
• Moral fairness may itself have been shaped by natural selection.
• Moral gossip targets more than fairness, tracking loyalty and norm adherence too.
• Moral help extends only to where its cost stays below expected benefit.
• Moral intuitions evolved as flexible, context-sensitive responses rather than a single universal faculty.
• Moral norms differ by relationship type, not by one universal strategy.
• Moral obligation to help scales with recipient benefit relative to actor cost.
• Moral obligations require overriding force that natural selection doesn’t explain
• Moral psychology broadened fairness-only models to include purity, hierarchy, and coalition domains.
• Moral-evolution research should follow linguistics in doing descriptive work before theorizing origins.
• Moralistic punishment of defectors is itself a costly reputational signal.
• Morality evolved as a propensity for fair cost-benefit sharing among cooperators.
• Morality evolved because fair partners were preferred in cooperative interactions
• Morality evolves from individual partner-choice competition, not group selection.
• Morality evolves in two steps, from selfish reciprocity to intrinsic fairness.
• Morality extends beyond fairness among strangers to relational obligations
• Morality is about fair cooperation, not maximizing welfare.
• Morality is an evolved sense of fairness, not a late intellectual achievement
• Morality may have evolved via partner choice over partner control
• Morality requires mutual advantage, not strict accounting of reciprocated acts.
• Morality resembles a self-enforcing contract between present and future selves.
• Morality serves a self-directed ego function of constructing moral identity.
• Mutual aid functions as informal insurance among individuals.
• Mutual aid must remain equitable or helpers are judged as poor partners
• Mutual insurance companies exemplify genuine mutualistic cooperation.
• Mutualism faces three challenges, all involving cost without visible return.
• Mutualism pays off through average expected benefits, not guaranteed returns
• Mutualistic anthropology explains moral anger as an evolved fairness-restoring mechanism
• Mutualistic cost-benefit logic may explain transcendent moral sentiment.
• Natural selection favors both the disposition to reciprocate and to volunteer help proactively.
• Natural variation among partners drives selection toward greater cooperation.
• Norms shaped by kin altruism and group solidarity are not necessarily moral norms.
• Objections to huge salaries stem from perceived contribution, not raw egalitarianism.
• Osotua differs from debt in its obligation structure
• Other-regarding behavior is widespread in animals but fairness preferences are not.
• Parochial altruism and self-sacrifice exceed mutualistic fairness models.
• Partner choice deters cheating without anyone intending to punish
• Partner choice predicts fair cooperation while group selection predicts utilitarian cooperation.
• Partner choice selects among folk-theorem equilibria just as group selection does.
• Partner choice theory shifts cooperation research away from dyadic Prisoner’s Dilemma models.
• Partner selection produces genuine moral feelings, not just narrow self-interested cooperation.
• Partner-choice cooperation theory does not explain the intrinsic moral sense.
• Peer exclusion deters cheating where binding legal institutions are absent.
• People accept large inequalities they judge as earned or deserved.
• People can predict classmates’ cooperation better than chance, and cooperators befriend each other.
• People disagree persistently about what makes inequality fair
• People feel moral obligations they never actually agreed to.
• People punish free-riders partly to correct inequality, not only to enforce cooperation.
• People spend their own money to punish and reward strangers with no future benefit.
• People treat precedents as intrinsic prices and reject market prices as unfair.
• Perceived ownership rights, not raw fairness, determine ultimatum-game rejection rates.
• Postulating an innate moral preference fails to explain the missing-contract puzzle mechanistically.
• Pre-commitment mirrors partner-choice by eliminating tempting options in advance
• Proportionality-to-rights accounts of fairness are empirically empty because rights themselves are unconstrained.
• Proportionate punishment mirrors distributive justice in reverse.
• Punishing high contributors can erase the cooperative benefits of punishment.
• Punishment functions as negative redistribution to correct prior unfair gains
• Punishment in cleaner fish couples may stem from loss aversion, not fairness preferences.
• Punishment scales with the unfairness of the wrongdoing, not with deterrence needs
• Recasting an economic game as mutual hospitality drops offers to locally appropriate sharing norms.
• Reciprocal altruism is really mutualism, not altruism
• Reputational self-interest alone cannot explain why people act morally when unobserved.
• Respect for ownership is a distinct evolved motive, deeper than fairness.
• Retaliation to protect oneself is not punishment because it need not be proportionate.
• Rights to the product of contribution vanish when the input itself is unfairly acquired.
• Rural agrarian Indians reward self-sacrifice where urban groups do not.
• Sacred values are processed as unconditional rules, not cost-benefit calculations.
• Sacred values bind group identity and give groups advantage through non-rational commitment.
• Secular ideologies need quasi-religious rituals to resist collapse.
• Sedentary agriculture drove the shift from egalitarian mutiualism to state hierarchy.
• Seemingly fair outcomes can arise from self-referent loss aversion rather than fairness preferences.
• Self-regulation explains long-term enterprise generally, not moral sense specifically.
• Self-regulation operates like a depletable willpower resource.
• Self-regulation, not fairness alone, enables prosocial culture.
• Sensitivity to merit and equity emerges early and universally in children
• Shared fairness intuitions cannot explain distributive variability when beliefs and situations are held constant.
• Sharing develops later and less spontaneously than helping or comforting.
• Sharing emerges later than possessive ownership behavior in children.
• Short-term payoff timing continually tempts even those who grasp that fairness serves long-term interests.
• Social interaction types are classified by fitness costs and benefits to actor and recipient.
• Some cultures may lack a distinct moral domain
• Some punishment in public goods games is retributive justice-seeking, not cooperation enforcement.
• Stable unconditional cooperation exists and mutualism alone cannot explain it.
• Stranger-based game experiments miss most real moral contexts.
• Sympathy is not intrinsically moral because it serves partiality, not impartiality.
• Talented individuals merit larger shares because their outside options are stronger.
• The appearance of social contract arises from evolved mutualistic obligation, not real agreement.
• The folk theorem predates and grounds Trivers’s reciprocal altruism better than Axelrod’s tit-for-tat.
• The motor system automatically suppresses action toward others’ property.
• The mutualistic fairness theory predicts political opponents would agree given full shared information.
• The underdetermination of partner-control models explains moral diversity, not failure.
• Transparency of evaluation is itself a trait weighed in partner choice.
• Understanding human behavior requires embedding it in relational context
• Unfair social arrangements collapse because the exploited side simply walks away.
• Very high ultimatum-game offers are refused where accepting gifts creates onerous debts.