1. Why do you suppose that employment growth is about 20 percent greater in unlicensed occupations than in licensed occupations?
2. What do you suppose a typical state government does with the millions of dollars of occupational license fees it receives each year?
3. Why do you suppose that some publishers are selling space for advertisements in their e-books-and sometimes even in physical books?
4. From an economic standpoint, how could we explain the willingness of someone o pay $19.99 for a physical book that is available as an e-book for $9.99?