“…17-20 and Appendix III), Milgrom and Weber (1982), Engelbrecht-Wiggans, Milgrom, and Weber (1983), and Persico (2000. Among the more recent contributions we mention Kim (2008) and Jun, Wolfstetter, and Zamir (2020) who show, in different frameworks, how observing a rival bidder's valuation or signal may have negative value, and the analysis of bid disclosure in license auctions with downstream interaction by Fan, Jun, and Wolfstetter (2016) and in sequential first-price auctions by Bergemann and Hörner (2018).…”