IDF model

The Investment Decision Factor (IDF) Model is a model that can be used to convince management (usually financial) that not all wishes can be realized without a reasonable investment.
The way the model works is easy to explain:
One or more factors can be a product like a Computer or a service like a Consultant or procedure.
If the demand is that it has to be Cheap and Good the result won't be Fast.
If the demand is that it has to be Cheap and Fast the result won't be Good.
If the demand is that it has to be Good and Fast the result won't be Cheap.
All of these demands can refer to a product or service, where Cheap refers to Money, Fast to Time and Good to Quality.
It is very rare when a product or a service has all three management demands (Cheap, Good and Fast).
 
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