What Conditions must be in Place for Firms to Price Discriminate?

-Seller must have Price Making Power - so has to be Barriers to Entry. Monopolies and Oligopolies can do this -Firm must split Groups of Consumers who have Different Price Elasticises of Demand. More Groups that can be Divided = Better the Gains -Firm can’t allow Seepage ie Consumers can’t buy the Product at a Low Price and, themselves, sell it at a Higher Price that could’be been charged More