Analyze the competitive advantage of each company

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.