Let us start with a time-tested quote:
“Practical men, who believe themselves to be quite exempt from any intellectual influence, are usually the slaves of some defunct economist.” (Who wrote this? Click here for an answer.)
Practical sales consultants often recommend the use of decomposed probabilities to weigh sales pipelines:
Pclosing = Pproject x Psupplier
with
Pclosing the probability that your opportunity will close
Pproject the probability that your prospect will complete the corresponding project
Psupplier the (conditional) probability that you will be the preferred supplier for this project
Suppose for example that you are Eurofighter trying to sell Typhoons to India. Your closing probability depends on the probability that India will actually shed $10B for new fighter jets, and if it does, on the probability that it will prefer Typhoons to Rafales. [...]
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