The document discusses the importance of studying consumer behavior for marketers. It defines consumer behavior and outlines its scope. Understanding consumer behavior helps marketers 1) design better products that meet consumer needs, 2) make products available at the right place and time, 3) design promotional programs aimed at the right individuals, 4) ensure information is available through appropriate media, and 5) make better pricing decisions based on consumer values and competitors. Studying why consumers have certain preferences is key to exploiting opportunities and meeting challenges in the market.