简单拍卖模型中竞争代理人的出价分布
Bid distributions of competing agents in simple models of auctions
摘要:
介绍了拍卖或招标过程的模型。在每一轮出价中,玩家从概率分布中选择他们的出价,每当出价不成功时,它就会被丢弃和替换。对于简单模型,概率分布演化为平稳幂律,指数仅取决于参与者的数量。在大多数情况下,系统会收敛到所有参与者都相同的状态。这个模型的一些变化的介绍和应用这些模型的动态做市商进行了讨论。价格的不确定性对投标分布的影响。一个潜在的市场结构产生异质代理人,一般不具有幂律出价分布。
英文摘要:
Models of auctions or tendering processes are introduced. In every round of bidding the players select their bid from a probability distribution and whenever a bid is unsuccessful, it is discarded and replaced. For simple models, the probability distributions evolve to a stationary power law with the exponent dependent only on the number of players. For most situations, the system converges towards a state where all players are identical. A number of variations of this model are introduced and the application of these models to the dynamics of market makers is discussed. The effect of price uncertainty on bid distributions is presented. An underlying market structure generates heterogenous agents which do not have power law bid distribution in general.
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