It would probably be relevant that Mercer doesn't ever say, "Don't hire anyone for this position if you can't get someone willing to do it for the market price." (I'm assuming they don't.) You can advise people on how to set the prices of things, and you can advise a lot of people at the same time, you just can't advise them to participate in what essentially amounts to reverse collective bargaining.
> Agreeing to use an algorithm is an agreement. In algorithmic collusion, a pricing algorithm combines competitor data and spits out the suggested “maximized” rent for a unit given local conditions.
This sounds exactly like what a compensation consultant does (collect competitor data, including data from other clients, and suggest a comp range)?