Results 241 to 250 of about 1,348,105 (289)

Judgmental overconfidence: Three measures, one bias?

Journal of Economic Psychology, 2012
Abstract Overconfidence is used to explain various instances of detrimental decision making. In behavioral economic and finance models, it is usually captured by misperceiving the reliability of signals and results in overweighting private information.
Fellner, Gerlinde, Krügel, Sebastian
openaire   +3 more sources

Impact of Overconfidence Bias on Investment Decision Making

Journal of Informatics Education and Research
openaire   +2 more sources

Presidential election uncertainty and investor overconfidence bias in sub-Saharan African stock markets

African Journal of Economic and Management Studies, 2022
PurposeThe purpose of this paper is to investigate overconfidence bias and the effect of presidential elections on investor overconfidence bias in sub-Saharan African stock markets.Design/methodology/approachThe study uses the vector autoregressive (VAR)
Godwin Musah, Daniel Domeher, Joseph Frimpong   +2 more
semanticscholar   +1 more source

Overconfidence bias and stock market volatility in Ghana: testing the rationality of investors in the Covid-19 era

African Journal of Economic and Management Studies, 2021
PurposeThe paper tests the overconfidence bias and volatility on the Ghana Stock Exchange (GSE) during the pre-Covid-19 pandemic and Covid-19 pandemic period.Design/methodology/approachThe study employs pairwise Granger causality to test the presence of ...
R. Kuranchie-Pong, J. Forson
semanticscholar   +1 more source

Overconfidence Bias in International Stock Prices

The Journal of Portfolio Management, 2003
This 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
openaire   +1 more source

Impact of overconfidence bias in stock trading approach: a study of high net worth individual (HNI) stock investors in India

Benchmarking : An International Journal, 2021
PurposeThe purpose of the study is to check whether Indian high net worth individual (HNI) investors are suffering from overconfidence bias in personal life and in-stock investment approach.
S. Parhi, M. Pal
semanticscholar   +1 more source

Self-Attribution Bias and Overconfidence Among Nonprofessional Traders

SSRN Electronic Journal, 2017
Abstract 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
openaire   +1 more source

Confidence Charms: How Superstition Influences Overconfidence Bias in Han and the Qiang Ethnic Minority Chinese

The Journal of psychology, 2021
The overconfidence effect is a cognitive bias in which individuals’ subjective confidence in their judgements is greater than their actual performance.
Heng Li
semanticscholar   +1 more source

Can We Trust LLMs? Mitigate Overconfidence Bias in LLMs through Knowledge Transfer

arXiv.org
The study explores mitigating overconfidence bias in LLMs to improve their reliability. We introduce a knowledge transfer (KT) method utilizing chain of thoughts, where"big"LLMs impart knowledge to"small"LLMs via detailed, sequential reasoning paths ...
Haoyan Yang, Yixuan Wang, Xingying Xu, Hanyuan Zhang, Yi Bian   +4 more
semanticscholar   +1 more source

Acquisitions, Overconfident Managers and Self‐attribution Bias

European Financial Management, 2007
Abstract 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
openaire   +2 more sources