We don't see very far in the future, we are very focused on one idea at a time, one problem at a time, and all these are incompatible with rationality as economic theory assumes it.
Daniel KahnemanHuman beings cannot comprehend very large or very small numbers. It would be useful for us to acknowledge that fact.
Daniel KahnemanAn investment said to have an 80% chance of success sounds far more attractive than one with a 20% chance of failure. The mind can't easily recognize that they are the same.
Daniel KahnemanIt's nonsense to say money doesn't buy happiness, but people exaggerate the extent to which more money can buy more happiness.
Daniel Kahneman