Axelrod discovered that when these encounters were repeated over a long period of time with many players, each with different strategies, greedy strategies tended to do very poorly in the long run while more altruistic strategies did better, as judged purely by self-interest.
Axelrod menemukan bahwa saat turnamen tersebut diulang selama waktu yang lama dengan banyak pemain, setiapnya dengan strategi yang berbeda, strategi tamak condong kurang baik dalam jangka panjang sementara strategi altruistik malah lebih baik, dinilai murni dari keegoisan.