Preference doesn’t compare what you have to what you might be able to get, it compares with each other the alternatives you might be able to enact.
This is a plausible assumption (@Steven Byrnes made a similar comment), yet the money pump argument apparently does compare what you have to what you might get in the future.
This is a plausible assumption (@Steven Byrnes made a similar comment), yet the money pump argument apparently does compare what you have to what you might get in the future.