Key Points in Analysis (No Position Constraints)
To show that advertisers don’t envy each other in the VCG outcome, we need a handle on VCG prices of different positions relative to each other.
Without position constraints, simple relationship:
VCG price (B) = value(i)
i = C…Z
price(B) = price(C) + value(C)
VCG price (C) = value(i)
i = D…Z