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本文在招标人采用公开保留价和隐藏保留价两种不同情况时,对第一价格密封招标中招标人的最优保留价格以及风险规避投标人的报价策略进行了研究。当投标人相对风险规避系数为常数时,针对投标人数n=1和n=2两种情况,得出了招标人的最优公开保留价r*A与成本估价t以及相对风险规避系数之间的关系、投标人的报价函数p(v,r)和b(v)与相对风险规避系数之间的关系,并进行了对比分析。
In this paper, when the bidder adopts two different situations: public reserve price and hidden reserve price, the optimal reserve price of the bidder in the first price sealed bidding and the bidding strategy of the risk avoidance bidder are studied. When the bidder’s relative risk aversion coefficient is constant, the bidder’s optimal public reserve price r * A and the cost estimate t and the relative risk aversion coefficient are obtained for the two cases of bidders n = 1 and n = 2 , The relationship between bidder’s bid function p (v, r) and b (v) and the relative risk aversion coefficient, and conducted a comparative analysis.