Overview: What makes an action right or wrong? Why is something good or bad? How does one make moral decision about what is right and good? These are among the main questions in ethics that are the subject of moral theory. This book explores some of the most historically important and currently debated moral theories about the nature of the right and good. After introducing students in the first chapter to some of the main aims and methods of evaluating a moral theory, the remaining chapters in this book are devoted to an examination of various moral theories including the divine command theory, moral relativism, natural law theory, Kant's moral theory, moral pluralism, virtue ethics and moral particularism. Providing an introduction to moral theory that explains and critically examines the theories of such classical moral philosophers as Aristotle, Aquinas, Kant, Bentham, Mill and Ross, this book acquaints students with the work of contemporary moral philosophers.;Preface -- Acknowledgments -- 1: Introduction to moral theory -- 2: Divine command theory -- 3: Moral relativism -- 4: Natural law theory -- 5: Consequentialism 1: Classical utilitarianism -- 6: Consequentialism 2: Contemporary developments -- 7: Ethical egoism -- 8: Kant's moral theory -- 9: Moral pluralism -- 10: Virtue ethics -- 11: Moral particularism -- 12: Conclusion -- Appendix: Standards for evaluating moral theories -- Glossary -- References -- Index -- About the author.;Moral Theory: An Introduction explores some of the most historically important and currently debated moral theories about the nature of the right and good. Providing an introduction to moral theory that explains and critically examines the theories of such classical moral philosophers as Aristotle, Aquinas, Kant, Bentham, Mill, and Ross, this book acquaints students with the work of contemporary moral philosophers. All of the book's chapters have been revised in light of recent work in moral theory. The second edition includes a new chapter on ethical egoism, an extensively revised chapter on moral particularism, and expanded coverage of divine command theory, moral relativism, and consequentialism. Additionally, this edition discusses recent work by moral psychologists that is making an impact on moral theory.--Publishers.