Behavioral economics is about studying patterns of human behavior. As such, it constitutes a genuine social science, often using insights from neighboring disciplines such as psychology. Its empirical approach, which contrasts with the formalized and abstract models of the outgoing previous century, has uncovered various, often surprising, insights into human behavior—many of which relate to behavior in everyday professional life. In this year’s introduction to the Behavioral Economics Guide, we ask what behavioral economics can contribute to a better understanding of human behavior in the workplace.