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We often attach value to things simply because they're hard to get. People will be more attracted to a painting if it costs $3 million than if it costs $3. The price becomes a feature of the product in that it allows the buyer to signal affluence to others.
gurwinder.substack.com • 40 Useful Concepts You Should Know
That’s because another important way we value things—a way unrelated to actual value—is by assigning meaning to a price. When we can’t evaluate something directly, as is often the case, we associate price with value.
Dan Ariely • Dollars and Sense

value is something that’s based on a social context. The value given to a one-dollar bill is not an objectively attributed value, though that might be a commonsense approach. If one considers its actual cost as printed material, the value is nowhere near a dollar.
Ichiro Kishimi, Fumitake Koga • The Courage to Be Disliked: The Japanese Phenomenon That Shows You How to Change Your Life and Achieve Real Happiness
Uber vs Walking. Fast beats free. Many will always be willing to pay (price) for the (value) of speed.
Alex Hormozi • $100M Offers: How To Make Offers So Good People Feel Stupid Saying No (Acquisition.com $100M Series Book 1)

Whether it makes sense or not, a high price signals a high value. In the case of important things like health care, food, and clothing, it also signals that the product isn’t cheap or of low quality.
Dan Ariely • Dollars and Sense
valor como algo que proporciona un beneficio al consumidor; cualquier otra cosa es un despilfarro.