It's rare that I find fault with Kahneman but here - yes - also: if someone is seeking to sell a mug to me, my perception of its value just went down. if some

It's rare that I find fault with Kahneman but here - yes - also: if someone is seeking to sell a mug to me, my perception of its value just went down. if someone is willing to buy a mug from me, my perception of its value just went up. I might have been intending to throw the mug out before I knew that someone would buy it.