We administer psychometric tests to senior executives to obtain evidence on their underlying psychological traits and attitudes. We find US CEOs differ significantly from non-US CEOs in terms of their underlying attitudes. In addition, we find that CEOs are significantly more optimistic and...

To address the information overload issue, we introduce the concept of intrinsic preference for a media of communication (IPMC), in order to better explain media choice at an individual level. We test a model where IPMC is a mediator between introversion/extraversion and the use of professional...