Computer Science homework help

1) Discussion Post :
Please define the productivity paradox and explain current thinking on this topic in Information Technology ( Topic can be refered from this Doc: http://ccs.mit.edu/papers/CCSWP130/ccswp130.html )
2)  Do some independent research on Nicholas Carr (the author of “IT Doesn’t Matter”) and explain his current position on the ability of IT to provide competitive advantage.
3)  Review the return policies at your favorite retailer, then answer this question. What information systems do you think would need to be in place to support their return policy?
4)  Review the section on knowledge creation, culture, and strategy.  Explain how balance scorecards impact knowledge creation, culture, and strategy.  Why are these important concepts to understand within an organization?