Overconfidence bias u manažerů a jeho dopady na manažerská rozhodování

This bachelor’s thesis examines the cognitive bias known as overconfidence bias and its impact on managers’ decision-making processes. The aim is to determine whether managers tend to overestimate their abilities and how they attempt to mitigate this phenomenon. The theoretical section defines the key concept and the processes underlying it, identifies its three forms (overestimation, overplacement, and overprecision), and describes their impacts and techniques for elimination. The empirical section is based on a questionnaire survey of managers across organizations and is supplemented by semi-structured interviews. The results show that managers do indeed exhibit manifestations of the phenomenon under study and its forms, but they primarily use methods to eliminate them retrospectively rather than preventively. Furthermore, it appears that longer managerial experience may be associated with a higher degree of overestimation of one’s abilities. The study recommends raising awareness of overconfidence bias and cognitive biases and implementing preventive elimination techniques directly into organizational decision-making processes.