Sourcing · The concentration position · Element
The switching cost
What it would take to move to another source.
The part
What it is
Qualification, tooling, specification change, requalification and the period of dual running. All of these grow over time.
Where switching cost has grown to the point that the relationship is no longer negotiable, that should be a recorded fact rather than a discovery during a price negotiation.
The smallest level
The attributes it carries
Each attribute is one of the framework’s shared types. What a date is, and how it is written, is defined once for the whole model — the note here says what it means in this particular place.
Trend
Whether the cost is rising, which describes a relationship becoming less negotiable.
Choice shared type
The other elements in the concentration position
The single sources
Inputs where one supplier provides all or nearly all.
LearnThe rationale
Why this input is single-sourced, and whether it was decided.
Learn