1- Explain what determines price elasticity of demand. Discuss how it impacts a firm’s strategy.

2- Explain Comparative advantages and apply it on the real world.

3- Explain Porters five forces theory.

4- Explain value Creation theory.

5- Explain how barriers to entry are created. Give at least three real world examples of entry barriers.

Also in one page compere theses 2 papers:

* Please compare these 2 papers, the first one talks about Amazon, and the other one is about Dunkin Donuts .

Both papers talks about the competitive advantage, I want you to compare them in terms of the analysts and in terms of applying the Competitive advantages theory on the two companies.

All the answers must related to economic filed.