Dark Commercial Patterns and Consumer Behavior: A Conceptual Framework of Manipulation, Autonomy, and Trust

Digital interfaces increasingly shape how consumers search, consent, subscribe, purchase, disclose personal information, and terminate commercial relationships. Although interface design can simplify decision-making and improve convenience, it can also create dark commercial patterns—design practices that steer, pressure, obscure, or obstruct consumer choice in ways that may compromise informed and autonomous decision-making. This conceptual review examines dark commercial patterns from a psychological and behavioral perspective and develops an integrative framework explaining how such practices influence consumer responses. Drawing on research in persuasion knowledge, psychological reactance, perceived fairness, privacy, and consumer trust, the paper develops a five-category typology comprising information distortion, interface asymmetry, social and temporal pressure, choice obstruction, and forced action or data extraction. It then proposes a conversion–trust framework in which dark commercial patterns may generate immediate behavioral compliance while simultaneously increasing perceived manipulation and unfairness, threatening autonomy, and heightening privacy concern and perceived loss of control. These psychological responses can erode consumer trust and contribute to adverse downstream outcomes, including reduced purchase and renewal intentions, complaints, negative word-of-mouth, and churn. The framework further identifies decision risk, reversibility, consumer vulnerability, prior brand relationships, transparency, and choice symmetry as key boundary conditions. By integrating fragmented research on digital choice architecture with established theories of consumer judgment and behavior, the paper positions dark commercial patterns as a behavioral phenomenon characterized by a tension between short-term compliance and longer-term trust. It concludes with testable propositions, directions for future research, and practical implications for designing persuasive digital environments that preserve consumer autonomy and trust.