'The best discussion, by far, of how to explore animal welfare with the help of economics. Careful and rigorous analysis, produced with palpable moral conviction. This is a sensational achievement.' Cass R. Sunstein, Robert Walmsley Professor, Harvard University, and author, Manipulation 'Nicolas Treich has been a pioneer in animal welfare economics, and this book is a masterpiece that will put this field on solid grounds. There are many conceptual and empirical difficulties in the integration of non-human species into welfare economics, and this book proposes brave innovative ideas and develops useful tools for the analysis of policies, norms and behaviors that often dramatically impact our fellow living creatures. An excellent reference for students, researchers, and experts engaged in advocacy and policy-making.' Marc Fleurbaey, Paris School of Economics, CNRS, and ENS-PSL 'Academic, governmental, and public concern for the well-being of animals has increased enormously over the last half-century, and yet economics has generally limited its focus to human beings. Nicolas Treich is a world leader in the effort to bring animals within the ambit of welfare economics. It's ethically arbitrary, indeed unconscionable, for this discipline's powerful tools to be harnessed to the narrow objective of maximizing human well-being. This book synthesizes and makes accessible Treich's path-breaking research on how welfare economics can be reoriented to take account of all sentient animals, not just humans.' Matthew Adler, Richard A. Horvitz Professor of Law and Professor of Economics, Philosophy, and Public Policy, Duke University 'Animal Economics is a 'must read' for everyone interested in developing public policies that take account of the wellbeing of all sentient beings. By drawing on economics, philosophy, psychology, ethology, and neuroscience, Nicolas Treich is able to shed light on many of the most difficult questions of animal welfare policy.' Peter Singer, Professor of Bioethics, Emeritus, Princeton University, and author, Animal Liberation