This dissertation extends existing knowledge on the perception and pursuit of product quality. Our nuanced findings identify overlooked motivational, perceptual, and structural drivers of perceived product quality. The first chapter examines an underexplored self-related motive that determines whether consumers choose inferior or superior products for themselves. We show that consumers with low self-esteem gravitate towards relatively inferior products because they strive to verify their negative self-views. The third chapter elucidates how consumer expertise, or knowledge, shapes perceptions of product quality. Specifically, we show that being knowledgeable entails benefits (“blessing of expertise”) but also costs (“curse of expertise”). K...