This collection brings together new essays by some of the most prominent scholars currently writing in commercial law theory. The essays address the foundations of efficiency analysis as the dominant theoretical paradigm in contemporary corporate and commercial law scholarship. The volume addresses such questions as: is moral theory irrelevant to efficiency analysis in these areas; if relevant, are morality and efficiency compatible? What is the best way of pursuing efficiency in corporate and commercial law? The volume reflects the most exciting work being done in contemporary legal theory. It will be of interest to professionals and students in law and philosophy of law.