
Originally Posted by
STL
I'm not much more informed than you but I can see the advantage is that the shill bid raises the perceived value of the item, forcing those interested to fork out more. Itn a perfect world, people have an inbuilt pricing system and will make rationalised choices on that but the ability to affect perceived value is invaluable as it creates a sense of urgency and confirms your perceived value. Price, more than it should be, is a powerful motivator and differentiator to confirm the status of an item. And in this case, I can only imagine it's subtantial given the rarity of items in question. There are a lot of pricing signalling studies that will attest to this in auction settings.