Overconfidence in Managerial Decision-Making among Brazilian Accountants and Managers: An Experimental Study

D. Costa, B. Moreira, Washington Santos da Silva, L. Andrade
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Abstract

The aim of this work is to analyze, by means of an experiment, if the type (positive or negative) and the level (simple or complex) of financial information influence of overconfidence of entrepreneurs and accountants in a managerial decision-making process. The design consists of a 2 x 2 factorial experiment, with four treatments, with the type and level of accounting information as experimental factors. The research was applied to a sample of 68 managers, 86 accountants, and 118 people with different activities (control group). The results showed that the majority of participants present the Overconfidence bias, in the first test, without differentiation of information. They also presented significant evidence that overconfidence can be influenced by the type of information, but not by its level. Moreover, the analysis suggested that the profile of the participants influences the confidence in the projections conducted. The research has shown that the type of financial information influences the overconfidence of entrepreneurs and accountants.
巴西会计师和管理者管理决策中的过度自信:一项实验研究
这项工作的目的是通过实验来分析企业家和会计师在管理决策过程中过度自信的财务信息的类型(积极或消极)和水平(简单或复杂)。本设计包括一个2 × 2的因子实验,共4个处理,以会计信息的类型和水平为实验因素。研究对象包括68名经理、86名会计师和118名从事不同活动的人(对照组)。结果表明,在第一次测试中,大多数参与者表现出过度自信的偏见,没有区分信息。他们还提出了重要的证据,证明过度自信会受到信息类型的影响,但不会受到信息水平的影响。此外,分析表明,参与者的概况影响对所进行预测的信心。研究表明,财务信息的类型会影响企业家和会计师的过度自信。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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