
110 The Revenue Ranking (“Linkage”) Principle
PUBLIC INFORMATION IN SECOND-PRICE AND ENGLISH
AUCTIONS
The release of public information also raises revenues in both second-price and
English auctions. The arguments are almost the same as in Proposition 6.4, so
they are omitted.
7.3 AN ALTERNATIVE LINKAGE PRINCIPLE
Proposition 7.1 applies to auctions in which only the winner pays a positive
amount; it does not apply, for instance, to all-pay auctions. A similar result that
does apply to such situations is available.
Let M
A
(
z, x
)
be the expected payment by a bidder with signal x who bids as
if his or her signal were z in an auction mechanism A. The advantage ...