A company needs a dynamically-evolving portfolio of competitively valuable resources and capabilities in order to Copyright by Glo-Bus Software, Inc. Copying, distributing, or 3rd party website posting sexpressly prohibited and constitutes copyright violation sustain its competitiveness and help drive improvements in its performance. keep its costs as low as possible and enjoy the fruits of sustained market leadership. build and maintain a more cost-efficient value chain than rivals, sustain its expertise in product innovation, and help strongly differentiate its product offering from the offerings of rival firms. better insulate itself from strong competitive pressures and the adverse impacts of industry driving forces. O be in position to pursue as many market opportunities as possible and protect itself from external threats to its future profitability