How do Porters competitive forces model, the value chain model, synergies, core competencies, and network economics help companies develop competitive strategies using information systems?

Define Porters competitive forces model and explain how it works.

Describe what the competitive forces model explains about competitive advantage.

List and describe four competitive strategies enabled by information systems that firms can pursue.

Describe how information systems can support each of these competitive strategies and give examples.

Explain why aligning IT with business objectives is essential for strategic use of systems.

Define and describe the value chain model.

Explain how the value chain model can be used to identify opportunities for information systems.