Almirall, Esteve, and Ramon Casadesus-Masanell. "Open vs. Closed Innovation: A Model of Discovery and Divergence." Academy of Management Review 35, no. 1 (January 2010): 27–47.

The smaller Land Rover Discovery Sport is the most affordable model, and we conducted a 40,000-mile test on the ritzier Range Rover Velar. The top-of-the-line Range Rover requires deep pockets but ...