Sublime

When it comes to making financial decisions, what should matter are opportunity costs, the true benefit a purchase provides, and the real pleasure we receive from it compared to other ways we could spend our money.

When relativity comes into play, we can find ourselves making quick decisions about large purchases and slow decisions about small ones, all because we think about the percentage of total spending, not the actual amount.

I do believe that you can understand most of moral psychology by viewing it as a form of enlightened self-interest, and if it’s self-interest, then it’s easily explained by Darwinian natural selection working at the level of the individual. Genes are selfish,3 selfish genes create people with various mental modules, and some of these mental modules

There is useful research that suggests that people consume more when everyone knows that the bill will be split, taking some advantage of their unsuspecting dinner partners, as Greg did with the expensive wine.11 This tendency to over-order when the bill is split evenly suggests that the best payment method is for everyone to pay for what they eat

as pessoas raramente escolhem coisas em termos absolutos.

suspect that when the amount of money that the participants could make per question was $10, it was harder for them to cheat and still feel good about their own sense of integrity

Money is not the only attribute that is easily used for points of comparisons.

Fairness is a function of effort and effort is shown through transparency.

how the sunk cost mindset is so deeply entrenched that conmen know to begin by asking their marks for several small favors or investments before progressing to large asks.