A major orginal work of social theory, this book presents a distinctive and tightly argued theoretical model for understanding the basis of welfare in society. The author develops a theory of welfare based on a series of basic propositions: that people live in society and have obligations to each other; that welfare is obtained and maintained through social action; and that the welfare state is a means of promoting and maintaining welfare in society. Each of these propositions is examined and developed to suggest a clear way of understanding the foundations of social welfare. The book make a lively and informative contribution to debates in social policy, as well as moral philosophy, political theory and social theory.