• The Real Commodity Trap by Stephan M. Liozu , Ph.D.
• How to Profit in Global Markets with Psychological Pricing by Paul Hunt
• BankThink: How to Go From Free to Fee Without A Customer Revolt by Dr. Wei Ke and David Chung
• The Dangers of A Low Price by Richard Harrington
• What Have Discounts Done for Us? by Ben Langleben