Gregory Klass

George Letsas

Prince Saprai

In recent years there has been a revival of interest in the philosophical study of contract law. In 1981 Charles Fried claimed that contract law is based on the philosophy of promise and this has generated what is today known as 'the contract and promise debate'. Cutting to the heart of contemporary discussions, this volume brings together leading philosophers, legal theorists, and contract lawyers to debate the philosophical foundations of this area of law. Divided into two parts, the first explores general themes in the contract theory literature, including the philosophy of promising, the nature of contractual obligation, economic accounts of contract law, and the relationship between contract law and moral values such as personal autonomy and distributive justice. The second part uses these philosophical ideas to make progress in doctrinal debates, relating for example to contract interpretation, unfair terms, good faith, vitiating factors, and remedies. Together, the essays provide a picture of the current state of research in this revitalized area of law, and pave the way for future study and debate.

Philosophical Foundations of Contract Law

This book advances a theoretical account of contract law, grounded in value pluralism. Arguing against attempts to delineate branches of legal doctrine by reference to single unifying values, the book suggests that a field such as contract law can only be explained and justified by the interaction of a multiplicity of moral values. In recent times, the philosophy of contract law has been dominated by the 'promise theory', according to which the morality of promise provides a 'blueprint' for the structure, shape, and content that contract law rules and doctrines should take. The promise theory is an example of what this book calls a 'foundationalist' theory, whereby areas of law reflect or are underlain by particular moral principles or sets of such principles. By considering contract law from the point of view of its theory, rules and doctrines, and broader political context, the book argues that the promise theory can only ever offer part of the picture. The book claims that 'top-down' theories of contract law such as the promise theory and its bitter rival the economic analysis of law seriously mishandle legal doctrine by ignoring or underplaying the irreducible plurality of values that shape contract law. The book defends the role of this multiplicity of values in forging contract doctrine by developing from the 'ground-up' a radical and distinctly republican reinterpretation of the field. The book encourages readers to move away from a 'top-down' theory of contract law such as the promise theory and instead embrace a distinctly republican approach to contract law that would justify the legal rules and doctrines we find in particular jurisdictions at particular times.

Prince Saprai

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