How much does it cost to work out you are who you say you are?

 

 

On the one hand we know that the looser a relationship, the less references (of any type) there are that connect the people in that relationship.  [Accepted that celebrity and news are a special case] But we are limiting our thinking in the case to personal identity and how to identity you are who you say you are.

 

One the other side we have escalating costs for managing identity where the relationship is very loose .  However, if there is any truth in the fact that a stronger relationship should drive out risk, it should also drive out cost, as cost should only increase to try and reduce/ manage risk.

 

Therefore, does anyone have any benchmarks for how much is reasonable to spend on finding out you are who you say you are at different points on the curve?