hat is the productivity paradox? 2. Summarize Carr's argument in "Does IT Matter." 3. How is the 2008 study by Brynjolfsson and McAfee different from previous studies? How is it the same? 4. What does it mean for a business to have a competitive advantage? 5. What are the primary activities and support activities of the value chain? 6. What has been the overall impact of the Internet on industry profitability? Who has been the true winner? 7. How does EDI work