The most exciting development in legal thinking since World War II has been the growth of interdisciplinary legal studies. Judge Richard Posner has been a leader in this movement, and his new book explores its rapidly expanding frontier.

Over the past decades international affairs have been increasingly legalized. International law has dramatically expanded into new fields and taken on new challenges. Despite this development, there has been little in-depth scholarship on what impact these changes have had on the field of international legal theory, how it is taught, and where it is going. This volume investigates the major developments in the field and explores the core assumptions and concepts, analytical tools, and key challenges associated with different approaches. An outstanding team of legal academics provides an accessible overview of competing theoretical movements, and a more in-depth understanding of the strengths, preoccupations, insights, and limits of those schools of thought. The contributions provide an authoritative account of current thinking about the theoretical foundations of contemporary international law and will serve as an indispensable resource for students, scholars, and practitioners.

The most exciting development in legal thinking since World War II has been the growth of interdisciplinary legal studies. Judge Richard Posner has been a leader in this movement, and his new book explores its rapidly expanding frontier.

This book focuses on current frontier-related issues such as humanitarian crises, economic crises, discrimination of migrants in certain countries, different typologies of borders such as land, maritime, air, space, and even cyberspace borders, and environmental protection of water resources at borders. It addresses legal and theoretical considerations and presents empirical cases showing the manifestations of the concept in the real world and its dynamics. Without claiming to exhaust the debate on frontiers, especially given the breadth of the subject and the large number of viewpoints from which the phenomenon can be examined, this book intends to be a helpful source of insights for academics, university students, and others who wish to explore the complex and multifaceted worlds that emerge, particularly in a globalized society, from the interaction between the various actors and scenarios that shape the reality of frontiers.

Ernst-Joachim Mestmacker reviews Richard Posner's and Friedrich A.von Hayek's legal theories. Both are famous for their contributions to law and economics. They are, however, adversaries in their concepts of law and how it is to be informed by economics. Posner finds the only scientific legal theory in the external (economic) analysis of law. With Friedrich von Hayek the role of rules of conduct and legislation is to be determined by the principles that govern a free and competitive order. There are, contrary to Posner, important contributions from legal scholarship, legal history and comparative law.

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Ambitious legal thinkers have become mesmerized by moral philosophy, believing that great figures in the philosophical tradition hold the keys to understanding and improving law and justice and even to resolving the most contentious issues of constitutional law. They are wrong, contends Richard Posner in this book. Posner characterizes the current preoccupation with moral and constitutional theory as the latest form of legal mystification--an evasion of the real need of American law, which is for a greater understanding of the social, economic, and political facts out of which great legal controversies arise. In pursuit of that understanding, Posner advocates a rebuilding of the law on the pragmatic basis of open-minded and systematic empirical inquiry and the rejection of cant and nostalgia--the true professionalism foreseen by Oliver Wendell Holmes a century ago. A bracing book that pulls no punches and leaves no pieties unpunctured or sacred cows unkicked, The Problematics of Moral and Legal Theory offers a sweeping tour of the current scene in legal studies--and a hopeful prospect for its future.

Roman law as a field of study is rapidly evolving to reflect new perspectives and approaches in research. Scholars who work on the subject are increasingly being asked to conduct research in an interdisciplinary manner whereby Roman law is not merely seen as a set of abstract concepts devoid of any background, but as a body of law which operated in a specific social, economic and cultural context. This context-based, 'law and society' approach to the study of Roman law is an exciting new field which legal historians must address. This interdisciplinary collection focuses on three larger themes which have emerged from these studies: Roman legal thought the interaction between legal theory and legal practice and the relationship between law and economics.