Applying this view to strategic manage• ment, Barney (1986c),Rumelt (1987),Nelson (1991),and Nelson and Winter (1982), among others, have argued that firms that possess the unique resources, skills, and capabilities needed to generate Schumpeterian revolutions in the industry and/or that possess the unique abilities to rapidly adapt to these revolutionary changes can earn and sustain supranormal returns relative to firms that lack these competencies.