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Endowment Heuristic
Endowment Heuristic
Endowment Heuristic
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Overview

No, it's not just you — we all tend to overestimate the value of our possessions, and there's a name for it. 

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ad quorum et cognitionem et usum iam corroborati natura ipsa praeeunte deducimur. Quid ei reliquisti, nisi te, quoquo modo loqueretur, intellegere, quid diceret? Illa argumenta propria videamus, cur omnia sint paria peccata.

Sed tempus est, si videtur, et recta quidem ad me. Non quaeritur autem quid naturae tuae consentaneum sit, sed quid disciplinae. Ne amores quidem sanctos a sapiente alienos esse arbitrantur. Nec vero sum nescius esse utilitatem in historia, non modo voluptatem. Indicant pueri, in quibus ut in speculis natura cernitur. Apparet statim, quae sint officia, quae actiones. Qui est in parvis malis. Quis Aristidem non mortuum diligit? Qui autem esse poteris, nisi te amor ipse ceperit? Quae qui non vident, nihil umquam magnum ac cognitione dignum amaverunt.

Duo Reges: constructio interrete. Dolor ergo, id est summum malum, metuetur semper, etiamsi non aderit; Commoda autem et incommoda in eo genere sunt, quae praeposita et reiecta diximus; Si quicquam extra virtutem habeatur in bonis. Itaque et vivere vitem et mori dicimus arboremque et novellan et vetulam et vigere et senescere. Bona autem corporis huic sunt, quod posterius posui, similiora. Sed nunc, quod agimus; Cupiditates non Epicuri divisione finiebat, sed sua satietate.

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Actionable Takeaways
  • Be mindful of the endowment heuristic in sales conversations. 

When purchasing something, be aware ...

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Tollitur beneficium, tollitur gratia, quae sunt vincla concordiae. Si enim ad populum me vocas, eum. Duo Reges: constructio interrete. Illud dico, ea, quae dicat, praeclare inter se cohaerere. Cur deinde Metrodori liberos commendas? Suo genere perveniant ad extremum; Ad corpus diceres pertinere-, sed ea, quae dixi, ad corpusne refers? Nummus in Croesi divitiis obscuratur, pars est tamen divitiarum.

Cur, nisi quod turpis oratio est? Eodem modo is enim tibi nemo dabit, quod, expetendum sit, id esse laudabile. Eam tum adesse, cum dolor omnis absit; Non enim, si omnia non sequebatur, idcirco non erat ortus illinc. Mihi, inquam, qui te id ipsum rogavi? Quod autem ratione actum est, id officium appellamus. Nam Metrodorum non puto ipsum professum, sed, cum appellaretur ab Epicuro, repudiare tantum beneficium noluisse;

Sed tamen omne, quod de re bona dilucide dicitur, mihi praeclare dici videtur. Ait enim se, si uratur, Quam hoc suave! dicturum. Ex ea difficultate illae fallaciloquae, ut ait Accius, malitiae natae sunt. Itaque nostrum est-quod nostrum dico, artis est-ad ea principia, quae accepimus. Ita multa dicunt, quae vix intellegam. Quae cum essent dicta, finem fecimus et ambulandi et disputandi. Neutrum vero, inquit ille. Qui autem voluptate vitam effici beatam putabit, qui sibi is conveniet, si negabit voluptatem crescere longinquitate? Sed haec omittamus; Equidem e Cn.

Explore More
Endowment Heuristic is featured in these playbooks:
Limitations

There have been critics of the Endowment Heuristic, with some claiming it does not exist or at least is not as apparent in real life as in fixed experiments. For example, some argue that the results from the mug experiment (see the ‘In Practice’ section) was more due to artificial scarcity. 

In Practice

Mugs.

This 1991 paper by Daniel Kahneman, Jack Knetcsch and Richard Thaler describes the classic example of the endowment heuristic involving mugs. In it, participants were given a mug and then given the chance to trade it. They found that the value attributed to owned mugs was twice as high as they were actually willing to pay for such a mug that they did not own.

Build your latticework
This model will help you to:

The endowment heuristic is part of behavioural economics, stemming from the fast and slow thinking mental model and relating closely to loss aversion. 

Use the following examples of connected and complementary models to weave availability heuristic into your broader latticework of mental models. Alternatively, discover your own connections by exploring the category list above. 

Connected models: 

  • Fast and slow thinking: providing broader context to the endowment effect. 
  • Loss aversion and opportunity cost: a closely linked heuristic and bias. 
  • Lock in effect: and challenge of customer loyalty. 

Complementary models: 

  • Design thinking: consider strategies to co-design and increase ownership of initiatives. 
  • Lean startup: iterating with minimum viable products, allowing audience groups to access and own quickly and cheaply. 
Origins & Resources

Aristotle noted the tendency towards the Endowment Effect in Ancient Greece, when he explained: “For most things are differently valued by those who have them and by those who wish to get them: what belongs to us, and what we give away, always seems very precious to us.”

However, the term itself was first coined by the behavioural economist Richard Thaler in his 1980 paper entitled Toward a Positive Theory of Consumer Choice.’ 

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