Overconfident Competing Newsvendors

Overconfident Competing Newsvendors
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过度自信的竞争报摊

DOI:
10.1287/mnsc.2016.2469
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发表时间:
2017-08
期刊:
影响因子:
5.4
通讯作者:
Zhang Jun
Zhang Jun
中科院分区:
管理学1区
文献类型:
--
作者:
Li Meng;Petruzzi Nicholas C.;Zhang Jun

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过度自信是影响决策的最一致、最强大、最广泛的认知偏差之一。在本文中,我们研究了竞争性报童设置的过度自信的影响和含义。在这种情况下,过度自信被定义为一种认知偏差,决策者认为不确定事件的结果比实际情况风险要小。这种偏见无疑会导致一个较低的预期利润的报童,不竞争的库存可用性。尽管如此,它可以成为竞争的报童的积极力量。事实上,我们发现,当产品的利润率很高时,过度自信会导致最好的结果。同样,我们也证明了两个竞争的报摊商中偏向性更强的一个不一定比偏向性更弱的竞争者获得更小的预期利润。
Overconfidence is one of the most consistent, powerful, and widespread cognitive biases affecting decision making in situations characterized by random outcomes. In this paper, we study the effects and implications of overconfidence in a competitive newsvendor setting. In this context, overconfidence is defined as a cognitive bias in which decision makers behave as though the outcome of an uncertain event is less risky than it really is. This bias unequivocally leads to a lower expected profit for a newsvendor that does not compete on inventory availability. Nevertheless, it can be a positive force for competing newsvendors. Indeed, we find that when the product’s profit margin is high, overconfidence can lead to a first-best outcome. In a similar vein, we also show that the more biased of two competing newsvendors is not necessarily destined to a smaller expected profit than its less biased competitor.
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