Making risk decisions - Utilities

4 important questions on Making risk decisions - Utilities

Give an example of subjective utility from an objective value:

Gamble and buy insurance

What remarkable discovery did Ramsey et al. make?

if people's preferences among simple gambles follow a few apparently reasonable rules, then they will choose the option with the greatest expected utility, no matter how complicated the choice.

One of the rules is comparability, what does this mean?

People who follow it can compare two options, meaning that they prefer A to B, B to A, or are indifferent between them.
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A third rule is having a certainly equivalent for any gamble, what does this mean?

A guaranteed pay-off (or loss) that would be just as good (or bad) as that og the gamble with the probabilities.

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