The endowment effect is how simply owning something makes you value it more than you would if you didn't own it. Examples:
What is the endowment effect? Read the full idea →You price it well above what any buyer — or even you — would actually pay for it.
Once the subscription feels like yours, giving it up feels like a loss, so you keep paying.
People given a mug demanded about twice as much to sell it as others would pay to buy one.
You can't part with things you'd never buy today — but they're already yours.
Your trade-in feels worth far more to you than the dealer's offer, every time.
That's just how memory works. Lock the endowment effect in with a 5-minute active-recall session — spaced repetition, no signup.
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