The abuse of economic dependence has attracted renewed attention, largely as a result of the growing policy focus on fairness in digital markets. Rules originally designed to address bargaining-power imbalances in traditional commercial relationships are increasingly being recast as instruments of digital-market enforcement. Their scope and antitrust character, however, remain uncertain. This uncertainty reflects a basic tension. If antitrust law is concerned with protecting competition rather than individual trading partners, it is not immediately clear why abuses of economic dependence...