The third edition of this successful textbook is a comprehensive, rigorous survey of the major topics in the field of behavioral economics. Building on the strengths of the second edition, it offers an up-to-date and critical examination of the latest literature, research, developments and debates in the field. Offering an inter-disciplinary approach, the authors incorporate psychology, evolutionary biology and neuroscience into the discussions. And, ultimately, they consider what it means to be -rational-, why we so often indulge in -irrational- and self-harming behavior, and also why -irrational- behavior can sometimes serve us well. A perfect book for economics students studying behavioural economics at higher undergraduate level or Master's level. This new edition features:- Extended material on heuristics and biases, and new material on neuroeconomics and its applications- A wealth of new topical case studies, such as voting behavior in Brexit and the Trump election and the curren