=+A14-6 The balanced scorecard and EVA GROUP Divide responsibilities between two groups, with one group going to the home page of The Palladium Group at http://www.thepalladiumgroup.com, and the second group going to the home page of Stern Stewart & Co. at http://www.eva.com. The Palladium Group is a consulting firm that helped develop the balanced scorecard concept. Stern Stewart & Co. is a consulting firm that developed the concept of economic value added (EVA), another method of measuring corporate and divisional performance, similar to residual income.