Who identified three key economic “advantages” that firms should have for FDI to occur? Hawthorne Roosevelt Dunning Maslow Forda. Hawthorneb. Rooseveltc. Dunningd. Maslowe. Ford Solution Option \"C\" is correct. Dunning identified the three key economic advantages that firms should have for FDI to occur: 1. Ownership advantages 2. Location advantages 3. Internalization advantages.