Adaptation seems to be, to a substantial extent, a process of reallocating your attention.
The conclusion is straightforward : self-control requires attention and effort.
Groups tend to be more extreme than individuals.
You should not take your intuitions at face value.
If people can construct a simple and coherent story, they will feel confident regardless of how well grounded it is in reality.
Employers who violate rules of fairness are punished by reduced productivity, and merchants who follow unfair pricing policies can expect to lose sales.