This document outlines the syllabus for a Marketing 773 course on customer behavior taught in the fall semester of 2012 at the Wharton School of the University of Pennsylvania. The course examines concepts and principles of customer behavior and how they can be applied to marketing decision making. It will include lectures, discussions, cases, and guest speakers. Students will be evaluated based on class participation, two exams, and three written reports analyzing assigned cases and guest speakers. The goal of the course is to provide students with approaches and concepts for understanding customer responses to marketing actions and using customer behavior insights in determining marketing strategy.