The game theoretical foundations of morality
Long time horizons change our incentives, usually in good ways. This is one of the core findings of game theory: people treat each other better when they intend to interact repeatedly in the future.
David Perell • Hugging the X-Axis - David Perell
When groups compete, the cohesive, cooperative group usually wins. But within each group, selfish individuals (free riders) come out ahead. They share in the group’s gains while contributing little to its efforts. The bravest army wins, but within the bravest army, the few cowards who hang back are the most likely of all to survive the fight, go
... See moreJonathan Haidt • The Righteous Mind: Why Good People Are Divided by Politics and Religion

The Ultimatum Game made a significant contribution to undermining classical economic theories and to establishing the most important economic discovery of the last few decades: Sapiens don’t behave according to a cold mathematical logic, but rather according to a warm social logic. We are ruled by emotions.