Here, altruistic players always do better than selfish players if they are fully altruistic or if the game is symmetric.
Every outcome is therefore rationalizable in the game with altruistic players.
Altruistic players in this region do not have dominant strategies; this introduces uncertainty over the other's strategy.
Humans are typically not very altruistic in situations where theory cannot find any long-term net benefits.
The patterns of those acts (patriotic, ethical, altruistic), perhaps supported during their formation by a scaffold of extrinsic reinforcement, must be highly valuable in themselves.
This passage is somewhat confusing because it is not clear how one should understand the expression "altruistic act" appearing within it.
It is easier to be altruistic during economically good times than during bad times.
Higher persistence is associated with larger (absolute) tax elasticities, even if the model allows for altruistic bequests.
