places need fast answer

1. Why do some firms earn higher profits than others? Explain in detail.

2. How can a firm attain a sustainable competitive advantage?

3. The top management of a local firm is trying to decide whether to make a certain item or purchase it from an outsiude supplier. What are some of the things they should consider in their analysis?

4. What are dynamic capabilities and how do firms acquire them? What value do they have?