Revue économique, 30(2), 420-448.
We study a symmetric private value auction with signaling, in which the auction outcome is used by an outside observer to infer the bidders' types. We elicit conditions under which an essentially unique D1 equilibrium bidding function exists in the second-price and the English auctions. We establish there is no equivalence between these two auction designs, neither in bidding strategies nor in expected revenue.
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