1. Could it be the case that chicken farmers who have both humanitarian and profit motives for keeping their chickens comfortable nonetheless are fully "self-interest"? Explain. Why might the rationality assumption explain why even a chicken farmer who has absolutely no humanitarian concern for chickens might seek to maintain very comfortable conditions for the birds?
2. Why do you suppose that economists have estimated the dollar value of the combined opportunity costs of time that U.S. commuters spend in gridlocked traffic to be in excess of $150 billion per year? Explain our reasoning.