4. Evaluate the following claim: The "winner's curse" gets worse a number of bidders gets larger. 5. Consider a common value auction setting where the value v of the being auctioned is given by v = $, + $2, where s; is the private s of bidder i and both signals are drawn independently from the uni distribution on [0, 100]. (a) Show that the second-price auction has a symmetric Nash librium in which each bidder bids 2s