1. (C a s e S tudy: City in the Clouds) Suppose you are the mayor of Mexico City. How can you use some of the techniques outlined in this chapter to control pollution there?
2. (Wall Street Journal) The Marketplace section of the Wall Street Journal is a good place to look for information re- lated to externalities. On a given day, see how many sto- ries you can find that deal with externalities-positive or negative. Are businesses taking steps to "internalize" externalities? What role does technology play in controlling negative externalities?