According to litterature, I dare to say that no such definition exist..
Googling for 'business value' gave a couple of good links to read:
and some very good articles from the IBM Institute for Business Value:
Good luck in setting up your own method.
Last Wiki Answer Submitted: January 29, 2010 5:48 pm by DanTheDane2,540 pts.
All Answer Wiki Contributors: DanTheDane2,540 pts.