148. Michael Porter draws a firm distinction between operational effectiveness and a strategy. Briefly describe this distinction and identify when a company can claim that it has a strategy. 149. When H&R Block and Hyatt Legal Services combined their efforts (two service businesses), they also joined marketing forces to create a strong alliance. Which of the alliance forms cited in the text most closely matches the H&R Block and Hyatt Legal Services alliance? Explain. 150. Characterize a marketing plan.  Â