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Overconfidence Bias in International Stock Prices
The Journal of Portfolio Management, 2003This study expands tests of the overconfidence hypothesis to international markets, where the evidence is consistent with the hypothesis that stock prices the world around are also biased by investor overconfidence. A novel aspect of the test here is combination of the overconfidence hypothesis with valuation theory.
James Scott, Margaret Stumpp, Peter Xu
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Self-Attribution Bias and Overconfidence Among Nonprofessional Traders
SSRN Electronic Journal, 2017Abstract We investigate consequences of the self-attribution bias for nonprofessional traders. By applying a textual analysis of more than 44,000 public comments on a large social trading platform, we contribute to empirical literature on investment and trading behavior in three ways: First, we show that one component of the self-attribution bias ...
Daniel Czaja, Florian Röder
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Acquisitions, Overconfident Managers and Self‐attribution Bias
European Financial Management, 2007Abstract We examine whether acquisitions by overconfident managers generate superior abnormal returns and whether managerial overconfidence stems from self‐attribution. Self‐attribution bias suggests that overconfidence plays a greater role in higher order acquisition deals predicting lower wealth effects for higher order acquisition deals.
Petmezas, Dimitris, Doukas, John
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Overconfidence and Self-Serving Bias
2017Overconfidence is manifested by the overestimation or exaggeration of one’s ability to perform a particular task successfully. It may take one of three forms: (i) overestimation of one’s actual performance, (ii) overplacement of one’s performance relative to others and (iii) excessive confidence in own beliefs.
Imad A. Moosa, Vikash Ramiah
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Pengaruh Herding Behavior, Cognitive Bias, dan Overconfidence Bias terhadap Keputusan Investasi
Selekta Manajemen: Jurnal Mahasiswa Bisnis & Manajemen, 2023Crazy Rich yang melakukan flexing membuat masyarakat cenderung melakukan herding behavior, cognitive bias dan overconfidence bias dalam pengambilan keputusan investasinya dan tidak sedikit masyarakat yang melakukan pinjaman online untuk berinvestasi.
Pertiwi, Adlina Hanum, Panuntun, Bagus
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Business Management Research
The purpose of this study is to analyze investor behavior influenced by herding bias, overconfidence bias, and cognitive dissonance bias on investment decision making. Investors were given a questionnaire as part of the quantitative data collection for this study.
Dalilah El Zahro, Mohamad Nur Singgih
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The purpose of this study is to analyze investor behavior influenced by herding bias, overconfidence bias, and cognitive dissonance bias on investment decision making. Investors were given a questionnaire as part of the quantitative data collection for this study.
Dalilah El Zahro, Mohamad Nur Singgih
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Determinants of overconfidence bias in Indian stock market
Qualitative Research in Financial Markets, 2018Purpose The purpose of this paper is to conduct an exploratory analysis of the demographic factors and investors’ characteristics, which cause changes in the extent of overconfidence level and its constituents among the individuals. Design/methodology/approach A survey has been conducted to explore the determinants of overconfidence and its ...
Priya Kansal, Seema Singh
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Peer-review: Overconfidence bias in a conference setting
2013 10th International Conference on Service Systems and Service Management, 2013The present study examines whether overconfidence bias is moderated by the type of manuscript submitted to conferences. The preliminary results suggest that the type of manuscript reviewed by the reviewer, either work in progress or completed work, makes overconfidence bias in peer-reviews of conference papers more or less visible due to potential bias
Enar Ruiz-Conde +2 more
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Overconfidence in Predictions as an Effect of Desirability Bias
2008Most people hold unrealistic positive beliefs about their personal skills, their knowledge (Fischoff, Slovic, & Lichtenstein, 1977), and their possibilities to overcome the performance of other individuals (Weinstein, 1980). This general tendency, called overconfidence, is a stable and pervasive finding both in many real-life domains and in several ...
Giardini F +3 more
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Peer‐comparison overconfidence: Does it measure bias in self‐evaluation?
PsyCh Journal, 2012AbstractOverconfidence is generally regarded as one of the most robust findings in the psychology of judgment. A precise method for evaluating overconfidence is essential if researchers are to validate these findings. Although peer‐comparison questions are a convenient tool for measuring overconfidence, their validity has been questioned. We employed a
Yan-Ling, Bi, Xue-Lei, Du, Shu, Li
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