Poverty is clearly one source of emotional suffering, but there are others, like loneliness. A policy to reduce the loneliness of the elderly would certainly reduce suffering.

Courage is willingness to take the risk once you know the odds. Optimistic overconfidence means you are taking the risk because you don't know the odds. It's a big difference.

Employers who violate rules of fairness are punished by reduced productivity, and merchants who follow unfair pricing policies can expect to lose sales.

In a rising market, enough of your bad ideas will pay off so that you'll never learn that you should have fewer ideas.

A person who has not made peace with his losses is likely to accept gambles that would be unacceptable to him otherwise.

It doesn't take many observations to think you've spotted a trend, and it's probably not a trend at all.

An executive might have a very strong intuition that a given product has promise, without considering the probability that a rival is already ahead in developing the same product.