There is a book from Pia Struck that seems like to confirm as well our principles of Empowerment. Sadly, it is only available in German.
Reduction of Management Overhead supports Empowerment
Most all she finds hierarchies are obsolete in an organisation of the next level. Empowerment of the employees will compensate the absence of management.
I try to incorporate an abstract here soon
If anyone read it already, please leave a feedback