International audienceThis study develops a cross-level model examining the effects of intellectual capital facets (i.e., human, social, and organizational capital) on unit ambidexterity. Further, it proposes that organizational-level high-performance human resource (HPHR) practices significantly shape these effects as well as the unit ambidexterity–unit performance relationship. Hierarchical linear modeling on multisource and lagged data from a sample of 148 business units from 58 US Fortune 500 firms shows that unit human and social capital positively contributes to unit ambidexterity, unit organizational capital has a negative relationship with unit ambidexterity, and organizational HPHR practices amplify the former and mitigate the latter of these unit-level effects. The findings also reveal that the relationship between ambidexterity and unit performance becomes stronger in organizational contexts of heightened HPHR practices. This multilevel approach increases understanding of how units achieve ambidexterity and attain related performance gains

We investigate how CEO entrepreneurial orientation affects firm value creation and how this relationship is moderated by three sources of CEO entrenchment. We conducted a longitudinal analysis of S&P 500 firms between 1999 and 2007, and, in line with our predictions, we found that CEO entrepreneurial orientation enhances firm value creation and that this positive effect is reduced when CEOs are entrenched (1) due to corporate governance provisions that protect them from the majority will of shareholders, (2) due to substantial ownership that provides them too much decision–making power, and (3) because their family has substantial holdings in the corporation.

We investigate how CEO entrepreneurial orientation affects firm value creation and how this relationship is moderated by three sources of CEO entrenchment. We conducted a longitudinal analysis of S&P 500 firms between 1999 and 2007, and, in line with our predictions, we found that CEO entrepreneurial orientation enhances firm value creation and that this positive effect is reduced when CEOs are entrenched (1) due to corporate governance provisions that protect them from the majority will of shareholders, (2) due to substantial ownership that provides them too much decision-making power, and (3) because their family has substantial holdings in the corporation.

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