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The endowment effect explains why you overvalue stocks you already own. The moment you buy a share, your brain assigns it more value simply because it belongs to you. This is why selling feels so difficult even when the fundamentals have deteriorated. You are not attached to the company. You are attached to the ownership. Recognizing this bias is the first step toward making rational portfolio decisions. #EndowmentEffect #BehavioralEconomics #PSX #KSE100 #InvestorPsychology
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Trafiłem na badanie, które zrobiło na mnie duże wrażenie i szkoda, że nie mam dostępu do takiej infrastruktury badawczej. To kolejne już badanie, które łączy AI z Behavioral Science i pokazuje, jak realistycznie można symulować ludzkie decyzje. Badacze sprawdzili, jak agenci ("sztuczne osoby" oparte na AI) zareagują na wprowadzenie ceł w USA. Wyniki były zaskakująco bliskie temu, co wydarzyło się naprawdę na rynkach. 👉 Gdy agenci wiedzieli tylko o nowych cłach, reagowali paniczną wyprzedażą: zachowanie stadne, brak kontekstu. 👉 Dodanie wiedzy akademickiej sprawiło, że stali się bardziej powściągliwi, trochę jak inwestorzy, którzy rozumieją szerszy obraz i nie ulegają natychmiastowej niechęci do straty. 👉 Gdy dostali jeszcze bieżące wiadomości, zaczęli reagować najbardziej realistycznie: wyprzedawali głównie akcje firm chemicznych, mniej technologicznych, a jednocześnie mocniej „trzymali” to, co już mieli (efekt posiadania). Najważniejsze wnioski z tego badania? Ta najbardziej złożona symulacja niemal dokładnie odwzorowała prawdziwe dane rynkowe. Dodatkowo badacze zbudowali specjalny benchmark CognitiveBiases, który pozwala systematycznie sprawdzać, na ile agenci AI wpadają w typowe pułapki myślenia: od efektu zakotwiczenia, przez błąd potwierdzenia, po niechęć do straty. Innymi słowy, AI może być dziś nie tylko narzędziem do prognoz, ale też poligonem doświadczalnym dla ekonomii behawioralnej. arxiv.org/pdf/2509.21862v1 #AI #BehavioralScience #EkonomiaBehawioralna #CognitiveBias #LossAversion #EndowmentEffect

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22 Jul 2025
From Stamps to NFTs: The Invisible Pull and Surprising Psychology Behind Why We Collect #PsychologyOfCollecting #EndowmentEffect #Collectibles #NFTs #HumanBehavior #FactRage #FactRageNews tglm.us/hqcbv

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Ever noticed how framing a choice differently can sway decisions? 🤔 It's like saying "80% lean beef" instead of "20% fat"—same shit, different sell. Loss aversion is real; the pain of losing $100 feels way stronger than the joy of gaining it. 😭 And don't even get me started on the #endowmenteffect; once you own something, you overvalue it like crazy. 🤪 We created an ecosystem focused on making money for its stakers; proof of success: x.com/motleyjunks/status/187….

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TIL today. De schermen van MacBooks in een Apple Store staan altijd in een hoek van 76 graden. Dan is het scherm nét niet goed te zien en zal de klant het apparaat aanraken waardoor je het gevoel krijgen hoe het is om deze te bezitten. #endowmenteffect
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In behavior finance it's called #endowmenteffect
A Mumbai builder once told me about the psychology of an average home buyer “While about to buy - always believe that rates should come down. But after buying - always believe that rates can never come down”
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What is the endowment effect? A behavioral psychology principle that causes people to overvalue an item simply because they own it, regardless of its objective value. Also known as divestiture aversion in social psychology. * The pain of losing is psychologically more powerful than the pleasure of gaining. * Through the lens of ownership, the ordinary becomes extraordinary - THE DAIRY OF A CEO by @StevenBartlett It's one of the strongest principles for salespeople, marketers, and brands to follow. #endowmenteffect #psychology #thediaryofaceo
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Today's topic is the Endowment Effect. - Users are more likely to want to keep something that they own than acquire that same thing when they don't own it #EndowmentEffect #UXDesign #UserExperience #DesignPrinciples #SimplifyChoices #DecisionMaking #UXStrategy #CognitiveLoad
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That toy isn't more valuable just because you own it. Be objective when evaluating your assets. #InvestingBias #EndowmentEffect
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We love this visualization from @DaniSaveker of the many insights around decision-making from Alliance co-founder @AnnieDuke’s book Quit. open.substack.com/pub/annied… #expectedvalue #sunkcostfallacy #activeopenmindedness #lossaversion #premortems #endowmenteffect #cognitivebiases

8 Oct 2023
Thank you @DaniSaveker for your beautiful and captivating visual synopsis of #QUIT: The Power of Knowing When to Walk Away. I hope you enjoy it as much as I do. Thank you, Dani!
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Fund manager who continues to hold a co at 18x sales, is talking about how entry valuations can drag future returns even if the business does very well in the long term. 😊#EndowmentEffect
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#EndowmentEffect in play here, as I have 10.6% exposure. 😉 But still a little déjà vu, am I right? 🤯
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1/10 Thread: Do you value what you own more than what you don't? This is the #EndowmentEffect and it could be your secret sales weapon! This psychological insight can supercharge your marketing. Let's unpack this. #SalesHacks #MarketingStrategy
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💡🖥️ Personalization is key! Tailoring digital experiences to match users' interests and needs can unlock the power of the #EndowmentEffect. Make your audience feel like they have a one-of-a-kind masterpiece crafted exclusively for them. #DigitalPersonalization #UXDesign #idan
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🔍📱 The #EndowmentEffect: Ever wondered why we get attached to certain products or services? It's not just about functionality, but also how they make us feel. Dive into the fascinating world of cognitive biases and discover how to create captivating digital experiences. #UX
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We overvalue things that we own, including our investments. Behavioral biases don’t just distort the perceived value of our possessions; they lead us to make poor decisions in every aspect of our lives, including investments. Knowing them, understanding them, and recognizing them when they present themselves will allow you to resist them and make better decisions. Learn about these behavior biases in my book amazon.com/Uncertainty-Solut… and discover more at johnmjennings.com. #mentalmodels #endowmenteffect #bias #investing #investingbehavior #uncertainty #market #stockmarket
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17 Jul 2022
Study human nature and… you will find losing something is about two times more painful than gaining the same thing! #EndowmentEffect #LossAversion
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Replying to @imgende
A mi me pasa!!! 🤦‍♀️ Arrastro el #endowmenteffect desde mi más tierna infancia. Por eso cuando toca #consumerism en mis clases de #C1 siempre aprovecho para “auto-convencerme” con vídeos y tips de theminimalists.com Generalmente los convencidos acaban siendo mis alumn@!!🤣🤣

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20 Jan 2022
מה הקשר בין NFT לאפקט הבעלות? שמחתי להתראיין היום ב@glz בתכנית "העתיד עכשיו" עם @DrorGloberman מוזמניםות להאזין החל מדקה 28:28 @ReichmanUni @ChaverotG #NFT #BehavioralEconomics #research #EndowmentEffect #Cryptoassets
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