Key ideas:
Probability is the likelihood of an outcome. Probabilities are expressed numerically, but are often subjective.
Impact is the effect that a particular outcome will have.
Decision trees help us get a grip on our alternatives.
The concept of expected value helps us compare alternatives based on probability and impact.
Risk profies take us beyond expected value to consider unacceptable or fatal downsides.
Getting more information to reduce subjectivity in decision making takes time and costs money
Ref:
Risk: How to make decisions in an uncertain world
Editor: Zeger Degraeve
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