Examine the history of the market that delivers movie rentals (not just a single firm in this market).

1. What are the economic characteristics of this market over time?
2. Has it become more competitive or less competitive over time?
3. Have the number of firms remained constant or has there been entry and exit in this industry?
4. What caused the observed changes in the industry over time (think about the barriers to entry)?
5. How does market power relate to prices, the size of the market (number served), and the amount of surplus generated?