I haven't worked out the answers but I was thinking of just asking the following questions:
- Why is this year's TV bigger, better and cheaper than last year's?
- Why is food cheaper in Asia?
- Why is Bill Gates the world's richest man?
- Who pays for pollution?
- How much is information worth?
There's No Such Thing as a Free Market
Sad Guys on Trading Floors
"How Many Currencies?" by Paul Krugman, The New York Times, 23 Feb 2010
"Copyright laws threaten our online freedom" by Christian Engstrom, FT.Com, 7 July 2009