"A stage-gate model is a technique in which a (product, process, system) development process is divided into stages separated by gates. At each gate, the continuation of the development process is decided by (typically) a manager or a steering committee. The decision is based on the information available at the time, including e.g. business case, risk analysis, availability of necessary resources (money, people with correct competencies) etc.
The stage-gate model may also be known as stage-limited commitment or creeping commitment."
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