Here is assumed that Alice knows her preferences. But sometimes humans are unsure about what they actually want, especially in the case of two almost equal desires like Bob and money. They update their preferences later via rationalisation. So if Alice will get Bob, she will decide that she wanted Bob.
Here is assumed that Alice knows her preferences. But sometimes humans are unsure about what they actually want, especially in the case of two almost equal desires like Bob and money. They update their preferences later via rationalisation. So if Alice will get Bob, she will decide that she wanted Bob.
Indeed, that adds an extra layer of complication.