Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 79 for “"Overconfidence"”.
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Overconfidence and Contracts : An Experiment
We study whether overconfidence affects the choice over contracts in a real-effort task by using three different measures of overconfidence: miscalibration, illusion of control, and overplacement. We find that overplacement, which is the only measure related to the task, has a significant effect on …
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Overconfidence and real estate research
… anomalies in business and finance research: overconfidence. Overconfidence significantly influences financial decisions and investment performance. However, theoretical and empirical studies are lacking in the real estate sector. In this thesis, I first conduct a critical review of the …
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The perks of being bold: Overconfidence predicts persistence
Overconfidence is a widely researched bias that most people exhibit across a broad range of domains. Most of the past research has focused on the negative, dangerous consequences of overconfidence. In the present studies, following recent work that has identified some advantages of overconfidence, …
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Studies of Bounded Rationality and Overconfidence in Dynamic Games
<p>\abstract</p><p>Managers constantly make decisions that depend, at least in part, on what they believe their competitors (or customers, or employees) will do in response. These judgments are susceptible to error. Indeed, behavioral research suggests a widespread bias towards underestimating …
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Better than average: An investigation of overconfidence in South Africa
This dissertation examines overconfidence in an investing environment to determine if there is evidence of the phenomenon amongst a sample of academics at participating universities. A survey was sent out to over 6 000 staff members at four South African universities assessing respondents’ ability …
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EFFORTS TOWARD TRUSTWORTHY MACHINE LEARNING: MITIGATING OVERCONFIDENCE, HALLUCINATION, AND MODALITY BIAS
… remain prone to reliability issues such as overconfidence, hallucinations, and modality bias. This thesis addresses these challenges through post-hoc methods and targeted fine-tuning strategies. First, we mitigate overconfidence in discriminative models by introducing a neighborhood …
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Three Essays on the Effect of Overconfidence on Economic Decision Making
… experimental evidence to explore the effects of overconfidence on economic decision making. In Chapter 1 I provide experimental evidence of the effects of alcohol on overconfidence and several other important tasks. I also explore the relationship between overconfidence and the behavior in the …
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Semantic context produces overconfidence in one’s ability to perform highly specialised skills
… characteristics, a lack of insight, or because overconfidence is beneficial in its own right (Dunning et al., 2003; Johnson & Fowler, 2011; Paulhus et al., 2003). But other research fits with the possibility that fluent experience in the moment can rapidly drive overconfidence (Alter and …
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THE IMPACT OF MANAGERIAL OVERCONFIDENCE AND INVESTOR SENTIMENT ON BIDDERS’ ABNORMAL RETURNS
… time in a UK study, three different measures of overconfidence namely Stock Options, Multiple Acquirers and Business Press proxies. The results indicate that managers infected by hubris fail to generate superior returns than those generated by rational bidders, for all three proxies of …
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Narcissism and Binge Drinking: Exploring the Role of Overconfidence and Confidence-Based Risk-Taking.
… trait narcissism and BD; moreover, I examined if overconfidence and confidence-based risk-taking assessed via the Georgia Gambling Task (GGT), explained why they did so. The results generally supported my hypotheses. As expected, narcissism related to poor GGT performance and high levels of BD; …
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The impact of overconfidence bias on firm performance: an empirical analysis of S&P 1500 firms
… vulnerable to cognitive biases. We focused on overconfidence bias and its impact on firm performance. Overconfidence is considered to manifest in three distinct forms, namely overestimation, overprecision, and overplacement. While there are numerous gaps and conflicts in the literature, the …
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An analysis of the effect of managerial overconfidence through corporate investments on share price : evidence from some FTSE/JSE Top 40 index companies
Submitted in partial fulfillment of the requirements for the degree of Masters of Management Sciences Business Administration, Durban University of Technology. Durban, South Africa, 2017.
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Forward looking information disclosures, earnings management practices, and "the CEO's" personal characteristcs: the case of Jordan
… CEO’s personal characteristics (age, gender and overconfidence) on the level of FLID. Three measures of overconfidence were used: Net Buyer, Capital Expenditure, and Leverage ratio. The results indicate that the CEO’s age has a negative and significant relationship with FLID. Conversely, the …
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An Examination of the Underlying Mechanisms of Customer Incivility: A Cognitive Approach
… experiences and CI and that confirmation bias, overconfidence, and social influence moderate the relationships. Using data from consumer surveys (Study 1) and TripAdvisor reviews (Study 2), findings show that conflict with employees is a key driver of CI, mediated by anger. Additionally, Study 1 …
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Evolutionary Dynamics in Stock Market: An Empirical Investigation for Chinese-A share Markets
… of prevalent behavioural biases: managerial overconfidence, and herding. Adopting the crash-risk framework developed by Kim et al. (2016) and extended by Li et al. (2025), we find clear evidence of managerial overconfidence in the Chinese stock market. The results show that industry-level …
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Testing the Nonextensionality of Support Theory: A Generalization to Dual Disjunctions
… Implications for ST, the conjunction error, overconfidence, and subjective probability research in general are discussed.
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Risk-neutral pricing in a behavioural framework
… preference through heterogeneous beliefs and overconfidence. An overconfident group longs more skewness in the positively skewed portfolio, over-estimates the value of this portfolio, causes heterogeneous beliefs and yields a positive skewness preference. The final issue investigated is the …
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Essays in experimental and development economics
… I find that Thais exhibit a significant level of overconfidence in that they overweigh their initial answers. Despite their overconfidence, the relative weight that they give to answers given by Americans compared to answers given by other Thais is, in most instances, statistically …
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