We value things we own much more than the things we don’t own. It’s called the endowment effect. This goes well with our intuition that other people don’t value our things as much as we do. But it isn’t just that other people devalue what we have. Experiments show that if we reverse the roles, our willingness to pay is much less for the same product that we were earlier owning (and were demanding a high price for).
How does this disparity in selling price and purchase price occur? It occurs because buyers don’t have perfect information about a product and cognitively what “jumps” in the mind of a seller is benefits of the product or service (while seller focuses on costs). ...