“…Note that, in general, a bidder's private valuation can reflect, for example, purchasing power, a taste for art, generosity, profitability prospects, expected market penetration, or a combination of such factors. To keep the model as simple and generic as possible, we disregard how these qualities map into a private valuation, and how the receiver seeks to reverse this mapping to form beliefs about these ultimate qualities from the auction outcome.5Auctions with different disclosure policies are also studied in, for example,Lebrun (2010),Fan et al (2016),Bergemann andHörner (2018), andAzacis (2020).6…”