Mariano Bermardez has developed a two-level business case tha includes both socieal impact (Mega) and organizational contributions. It can be found in a recent article: M Bermardex. (2009) <omdomg tje business of Business, Performane improvement Quarterly, 22(2), This model has been sccessfully applied in both the public and private sector.
It is a new, novel, and poweful tool for Mega Thinking and Planning