Of course not, they lose to 3-bidders. I wouldn’t consider that “defection” in the same way though, since the 1-bidding is presumably an attempt at coordination and the 2-bidding would be exploiting that coordination and not directly a coordination attempt.
There weren’t any 2-bidders.
Sure, but if 1-bidding were to become popular in similar problems, there would start to be 2-bidders.
Of course not, they lose to 3-bidders. I wouldn’t consider that “defection” in the same way though, since the 1-bidding is presumably an attempt at coordination and the 2-bidding would be exploiting that coordination and not directly a coordination attempt.
Sure, but if 1-bidding were to become popular in similar problems, there would start to be 2-bidders.