A relatively recent theory of leadership argues that the most effective leaders are servants of their people. Servant leadership is now in the vocabulary of enlightened leadership. It is a practical, altruistic philosophy that supports people who choose to serve first, and then lead, as a way of expanding service to individuals and organizations. The sense of civil community that it advocates and engenders can facilitate and smooth successful and principled change.
The question is unfortunately outside my core competence, but we have in Norway a research institute, dedicated on such topics that you ask for - I think. I seem that their webpage is only in Norwegian, so you may need to use some translation program, or just make a contact? Good luck!