Abstract: This paper obtain some comparative statics results for first price sealed bid auction and procurement by the methods of integral,which are essentially generalization of the results of Riley and Samulson by the differential methods to the bidders of risk aversion or risk seeking or hybrid.

Key words: first price sealed bid auction, procurement, bidding strategy, absolue risk aversion coefficence, comparative statics

摘要： 采用积分法对对称独立私人价值第一价格密封拍卖和招投标中的投标策略关于投标人的风险态度和信息分布的单调比较静态分析,其结果对风险中性、风险厌恶、风险追求以及混合风险的投标人均成立,是对Riley和Samulson的微分法所得结果的实质性推广.

关键词: 第一价格密封拍卖, 采购招标, 投标策略, 绝对风险厌恶系数, 比较静态分析