- D42: Monopoly
- L42: Vertical Restraints • Resale Price Maintenance • Quantity Discounts
- L82: Entertainment • Media
Doh-Shin Jeon, and Jean-Charles Rochet, “The Pricing of Academic Journals: A Two-Sided Market Perspective”, TSE Working Paper, n. 09-098, October 2009.
American Economic Journal: Microeconomics, vol. 2, n. 2, May 2010, pp. 222–255