The Social Psychology of Peer Downfall: A Systematic Review of Schadenfreude, Moral Disengagement, and Hostile Responses in Close Systems

Social systems, ranging from workplaces to digital platforms, are structured by implicit hierarchies in which individual performance is continuously evaluated through upward social comparison. This review examines the psychological mechanisms underlying hostile responses to peer downfall within such close systems.By synthesizing research from social, organizational, and experimental psychology (1954–2025), the paper analyzes how schadenfreude emerges in contexts of self-evaluation threat, perceived deservedness, and status-based comparison. It further examines how moral disengagement processes may facilitate the cognitive justification of emotionally rewarding but socially harmful responses.The review proposes an integrative model in which emotional reactions, cognitive justification, and structural conditions interact to determine whether peer misfortune remains an internal emotional response or develops into overt hostility. It emphasizes that evaluative pressure, competitive norms, and digital visibility can strengthen these processes acrossdifferent contexts.Finally, the paper discusses implications for designing social, organizational, and digital systems that reduce comparison-driven hostility and promote more ethically regulated interaction in high-evaluation environments.