Perceptual maps are the only way to understand what your position is in the market and how the market views you vs. your competitors. In fact, if you don't have a perceptual map, in essence you're ...

Sarvary, Miklos, and Anita Elberse. "Market Segmentation, Target Market Selection, and Positioning." Harvard Business School Background Note 506-019, September 2005. (Revised April 2006.) ...