A chemical company uses large amounts of shredded steel scrap metal in its production processes. Most of this scrap comes from 12-ounce beverage cans (soft-drink and beer cans). On behalf of the company, you are responsible for forecasting the availability (and price) of this type of scrap over the next decade.
a. What kinds of information would you need to make such a forecast?
b. What factors demographic, economic, technological, or political might be important in your projection? Which could you most easily predict? Which would be highly uncertain?