Write a 1,200-word paper in which you research two-three companies and do the following:
• Use Walmart and AT&T as the two companies
• Evaluate the internal and external environments of each company using an environmental scan.
• Analyze the competitive advantage of each company
• Evaluate the strategies each company uses to create value and gain competitive advantage.
• Examine the measurement guidelines each company uses to verify its strategic effectiveness.
• Evaluate the effectiveness of the measurement guidelines that each company uses.