This book is a welcome consolidation and extension of the recent expanding debates on happiness and economics. Happiness and economics, as a new field for research, is now of pivotal interest particularly to welfare economists and psychologists. This Handbook provides an unprecedented forum for discussion of the economic issues relating to happiness. It reviews the more recent literature and offers the interested reader an insight into the vast scope of the field in terms of the theory, its applications and also experimental design. The Handbook also gives substantial indications as to the future direction of research in the field, with particular regard to policy applications and developing an economics of interpersonal relations which includes reciprocity and social interaction theory.