PSYCHOLOGICAL BIASES IN WESTERN CONSUMER DECISION-MAKING: A BEHAVIORAL ECONOMICS PERSPECTIVE AND MARKET EFFECTS

Abstract Objective This study investigates psychological biases in Western consumer decision-making from a behavioral economics perspective, examining how cognitive and emotional deviations shape purchasing behavior and market dynamics. The research explores mechanisms underlying irrational choices—including loss aversion, anchoring effects, and social conformity—and their implications for marketing strategies and policy interventions. Subjects and Methods The analysis synthesizes findings from behavioral economics literature, empirical studies on consumer psychology, and real-world market phenomena. Methodologically, the study integrates theoretical frameworks with case studies of promotional tactics and neurobehavioral evidence. Data sources include academic papers, industry reports, and consumer behavior analyses across retail environments. Results Psychological biases systematically distort rational decision-making. Anchoring effects lead consumers to perceive discounted prices as bargains, while scarcity tactics exploit loss aversion to trigger urgent purchases. Social conformity amplifies demand for trending products. These biases create measurable market effects as businesses leverage them through targeted pricing strategies, while policymakers face challenges in mitigating exploitative practices. Conclusions Behavioral economics provides critical tools to decode psychologically driven decisions, highlighting the interplay between cognitive shortcuts and market outcomes. The study underscores the need for transparent information disclosure and protective measures for vulnerable consumers. Future research should explore cross-cultural variations in biases and ethical boundaries of behavioral interventions.