Price squeeze abuses lie at the crossroad between different forms of potentially anticompetitive conduct, as well as between antitrust law and regulation. The main question that has arisen in the academic debate and actual practice is whether a combination of a lawful wholesale price and a non-predatory retail price can be characterized as exclusionary conduct based on the analysis of the margin between the two prices. In the paper, we argue that there is no need for a separate price squeeze theory under antitrust law. Assuming that the costs of supplying an input to rivals and to internal downstream divisions do not differ, a price squeeze capable of excluding equally efficient competitors may arise only from upstream discrimination (discr...