Case: The Walmart Empire 1. What are the sources of Walmart's competitive advantage? 2. Are these sources sustainable? What are the isolating mechanisms? 3. What are the pros and cons of selling to Walmart? What are important principles that Walmart uses in managing its relationship with suppliers. 4. Conduct a value-chain analysis on Walmart (See below). 5. Quantify Walmart's competitive advantage (in other words, use numbers to show the difference in costs)