Explore one of the sophisticated pricing techniques covered in this topic and provide an example of how it is used.

Explore one of the sophisticated pricing techniques covered in this topic and provide an example of how it is used. What are any constraints that may limit the ability of firms from using these techniques? (The techniques discussed in this topic are not just used by monopolists. Usually, a firm that faces a downward sloping demand curve for its product can use one or more of these techniques, and they are commonly used in oligopolies).