7. In a first price sealed bid auction with 2 bidders, let v; be the valuation of bidder i and b; be her bid. The bids are made simultaneously and the payoff function of player i is given as follows: Vi - - bi ui (b1,b2; V1, V2) = (v₁ - bi)/2 0 if bi > bj, if b₁ = bj, if bi < bj. The optimization problem of player i is given by (а) тахь; (v; — b;) (b) maxь; (vi — b₁) Prob{b; > b;(vj)} - (c) maxь, (vi — b₁) Prob{b; > bj(vj)} + ½ (vi − b;) Prob{b; = b;(vj)} (d) maxь; (vi — b₁) Prob{b; > b;(v;)} + ½ (v₁ − b;) Prob{b; < b;(vj)}
7. In a first price sealed bid auction with 2 bidders, let v; be the valuation of bidder i and b; be her bid. The bids are made simultaneously and the payoff function of player i is given as follows: Vi - - bi ui (b1,b2; V1, V2) = (v₁ - bi)/2 0 if bi > bj, if b₁ = bj, if bi < bj. The optimization problem of player i is given by (а) тахь; (v; — b;) (b) maxь; (vi — b₁) Prob{b; > b;(vj)} - (c) maxь, (vi — b₁) Prob{b; > bj(vj)} + ½ (vi − b;) Prob{b; = b;(vj)} (d) maxь; (vi — b₁) Prob{b; > b;(v;)} + ½ (v₁ − b;) Prob{b; < b;(vj)}
Chapter18: Asymmetric Information
Section: Chapter Questions
Problem 18.8P
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