起源与逻辑
卡彭、克拉普与坎贝尔(1971)指出,20世纪五六十年代墨西哥湾海上区块拍卖中,石油公司中标区块的回报率远低于预期。对于油藏这类“共同价值”标的,其价值对每个人都相同,但各方只能估计;即使个人估计平均而言是准确的,由于估值最高者胜出,中标者的估计也会系统性偏高。换言之,“赢了”本身就是自己高估了价值的坏消息。威尔逊(1969)最早对这种信息结构的拍卖建模,米尔格罗姆与韦伯(1982)则建立理论,指出理性竞买者应计算以胜出为条件的期望价值并相应压低出价。这可以视为逆向选择的一种形式。
实验与现场证据
巴泽曼与萨缪尔森(1983)报告,在拍卖装满硬币的罐子的课堂实验中,成交价平均远高于实际价值。卡格尔与莱文(1986)在受控实验中发现,缺乏经验的竞买者反复亏损,而且竞买者越多,出价反而越激进。萨缪尔森与巴泽曼(1985)表明,在企业收购谈判任务中也会出现同样的错误。相反,亨德里克斯、波特与布德罗(1987)分析真实的海上区块拍卖数据后报告,专业竞买者大体上避开了诅咒。塞勒(1988)以及卡格尔与莱文(2002)对这些证据作了综合。
应用与行为模型
罗尔(1986)提出企业并购的“狂妄假说”,认为收购方高估目标公司价值而支付过高溢价,从而把赢家诅咒与过度自信联系起来。马西与塞勒(2013)在美国职业橄榄球大联盟选秀中发现了“输家诅咒”,即高顺位选秀权相对其成本价值偏低。理论上,艾斯特与拉宾(2005)提出“诅咒均衡”,假定人们不能充分推断其他竞买者行为中所含的信息。克伦佩雷尔(2004)讨论了在频谱拍卖设计中减轻赢家诅咒的重要性。
常见问题
- 如何简单理解赢家诅咒?
- 许多人竞相购买一件价值不确定的东西时,出价最高的人胜出,因此赢家很可能其实买贵了。
- 专家也会陷入赢家诅咒吗?
- 在实验中,缺乏经验的参与者表现得很明显;但也有研究发现,像真实油田租约拍卖中经验丰富的专业竞买者会压低出价,在很大程度上避开诅咒。
来源核查日期:2026-10-26
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