Real Knowledge Is to Know the Extent of One’s Ignorance

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Authors: Ibrahim Filiz, Zulia Gubaydullina, Florian Kirchhoff, Thomas Nahmer, Markus Spiwoks, Peter von Holten
Cited by: 2
References: 95

Abstract

Does a higher level of ignorance lead to higher subjective confidence in making stock price predictions? 150 subjects make stock price forecasts for three listed companies. A Likert scale is then used to measure how confident the subjects are that their predictions will actually come true. Additionally, the level of knowledge and experience relevant to the stock market was measured by knowledge questions. The results show that individuals with limited specialist knowledge and experience are particularly confident in their forecasts and vice versa. This finding is evident for men and is statistically highly significant, but it is not for women.

Fields of Study & Subjects

Epistemology Ethics and Metaphysics Philosophy and Theoretical Science Science and Climate Studies

Publication details

Journal / source
Journal of Behavioral Finance
Publisher
Informa UK Limited
Pages
1–19
Publication date
18 January 2026
Language
EN