> A fair price is whatever a seller and a buyer agree upon I think there is an is/ought distinction here. What the price is is your definition here: what they'

> A fair price is whatever a seller and a buyer agree upon I think there is an is/ought distinction here. What the price is is your definition here: what they've agreed upon. There are numerous oughts that should be considered as well: 1. Did the seller coerce the buyer (or vice versa)? Without this ought, the mafia gets a fair price when it charges for "protection" services, both parties agree! 2. Does the seller know more than the buyer (or vice versa)? If they both knew the same things, would the price be different?