It also depends on whether the deal is optional or required, in some sense. In the example, the jury believe some award is fair, then price anchoring has an effect, as demonstrated.
However, I think this might not be equally valid for "optional" deals - if I find a cool gadget that I am not sure about buying, if the seller quotes 10x the price I expect, I might just walk (as opposed to say, 1.5x).
With deals that have to happen in some sense, and only the price is not set (say a job offer, or an injury award), price anchoring seems more effective.
Of course I have nothing to back this up, just my feeling.