Price discrimination refers to charging different prices for identical (or very similar) products. Differential pricing can include price discrimination, but it can also employ product – different versions of the same product. This product differentiation allows for a greater variety of products and prices.
The Beyond Cost Plus site has some new content that hopes to better explain and illustrate the two terms and the differences between them. In addition to definitions there are also some examples and real world case studies that everyone should be able to relate to.