18. Firms Vary by Degree of Diversification A Eg DLF Eg UB Eg Hero Group Eg Tata Group Single-business > 95% of revenues from a single business unit Low Levels of Diversification Dominant-business Between 70% & 95% of revenues from a single business unit B A Unrelated-Diversified Business units not closely related High Levels of Diversification A B C Moderate to High Levels of Diversification < 70% of revenues from dominant business; technological & distribution links Related constrained Related linked (mixed) < 70% of revenues from dominant business, only limited links exist A B C B A C