An Empirical Evaluation of the Overconfidence Hypothesis

While many "quality-focused" initiatives have often failed to enhance overall corporate performance, customer-perceived service improvements have been shown empirically to improve profitability (Buzzell and Gale, 1987). Service quality is considered to be an attitude resulting from a comparison of expectations versus performance (Parasuraman, Zeithaml and Berry, 1988). While certain authors may contend that evaluations of service quality should be based on performance assessment only (Cronin and Taylor, 1992; Teas, 1993), the prevailing view supports a disconfirmation paradigm (Oliver, 1980), i.e., customers comparing the service with their of service (Parasuraman, Zeithaml and Berry, 1988; Parasuraman, A., L.

An empirical evaluation of the overconfidence hypothesis

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studied empirically the hypothesis of overconfidence and ..

Compared with the hubris hypothesis and the neoclassical theory, our model not only reconciles the above two stylized facts, but also allows us to relate stockholder returns to the level of managerial overconfidence and competition.

“An empirical evaluation of the overconfidence ..

With the Introduction as the first section, this paper is further organized into five sections: Section 2 develops the hypotheses; Section 3 describes the sample selection and empirical design; Section 4 shows the empirical results mainly surrounding the association between the percentage of employee stock bonus granted and the board and ownership structure variables; and Section 5 contains sensitive tests to determine the robustness of the results to alternative specifications.

T-Test - Hypothesis B – for all groups No significant influence of evaluation on intrinsic motivation could be determined.
We test the overconfidence hypothesis, using data on personal portfolio and corporate investment decisions of CEOs in Forbes 500 companies.

Overconfidence Hypothesis: An Empirical Study in …

Abstract: This paper studies, theoretically and empirically, the role of overconfidence in political behavior. Our model of overconfidence in beliefs predicts that overconfidence leads to ideological extremeness, increased voter turnout, and increased strength of partisan identification. Moreover, the model makes many nuanced predictions about the patterns of ideology in society, and over a person’s lifetime. These predictions are tested using unique data that measure the overconfidence, and standard political characteristics, of a nationwide sample of over 3,000 adults. Our numerous predictions find strong support in these data. In particular, we document that overconfidence is a substantively and statistically important predictor of ideological extremeness and voter turnout.

An empirical investigation of the impact of non‐verbal communication on service evaluation

Overconfidence? - Munich Personal RePEc Archive

Linear Regression Analysis – Hypothesis C - Quantity
As shown in Table 21, not only was the performance influenced significantly, but the quantity of the variables evaluation (p-value = .01) and belief (p-value = .00) and the constant variables of the models, were as well.

17/11/2017 · CiteSeerX - Scientific documents that cite the following paper: An empirical evaluation of accounting income numbers


While positive illusions may have been adaptive in our environment of evolutionary adaptation, present day stimuli and feedback that are evolutionarily novel may sometimes allow them to wreak havoc. A number of lines of evidence corroborate the stereotype that men (particularly young men), and not women, are susceptible to unwarranted levels of perceived invulnerability and confidence in their ability, and testosterone has been proposed as a candidate gender-biased proximate mechanism; in situations of conflict testosterone levels tend to rise, and this increases the probability of confrontational behaviour which may lead to violence (; ; ; ; ). In positions of political and military power—which are held predominantly by men—overconfidence may lead to less compromise, more conflict, and more costly and/or more frequent wars (). Here, we close the gap between these theoretical propositions and the real world using data from a wargame specifically designed to analyse decisions within an international conflict scenario. We were interested in whether, when, and which players made ‘unprovoked attacks’ during the game, where unprovoked attacks were defined as launching a war without any prior violence carried out by the other side. We test four hypotheses: