【摘要】 到拍卖行去竟拍拍品,已经成为我们生活中越来越平常的经济行为,在竟拍过程中,两人轮流举牌,甲先乙后,谁先拍到呢?结合概率论中的全概率公式,给出了甲先拍到的充要条件;在此基础上进行延拓,探讨随着竟价的提升,两人心理承受能力的等差下降和非等差下降对竟拍的影响,甲先拍到的概率变化,并推导出相应的概率计算公式。更多还原

【Abstract】 Auction activity is becoming a usual economic behavior in daily life.In the course of patting,two people lift card,A first and B second,who will win the auction ? Combining the whole probability formula of probability theory,the sufficient condition that took first to win was given.Based on this condition,probing into the competition price up and up,comparing with two people’s equal difference drop of psychological endurance and the influence on auction striking.The corresponding probability calculation formula which the first one win was deduced.更多还原