The "endowment effect." It is the tendency for people to ascribe more value to things merely because they own them. This can make it difficult for people to par

The "endowment effect." It is the tendency for people to ascribe more value to things merely because they own them. This can make it difficult for people to part with their possessions, even if they are not using them or do not need them. The endowment effect has been observed in various contexts, from consumer behavior to negotiations and auctions. https://en.wikipedia.org/wiki/Endowment_effect https://en.wikipedia.org/wiki/Endowment_effect