A. Douglas Melamed is a nationally known American legal scholar and currently in private practice. He is famous among the law and economics literature for his views on the natural evolution of property rights and co-authored with Guido Calabresi a classic law review article on the different types of property rights accorded by tort rules and property rules in Property Rules, Liability Rules and Inalienability: One View of the Cathedral. He served in the Justice Department's antitrust division under Joel Klein during the Clinton Administration. Law and economics is the term usually applied to an approach to legal theory that incorporates methods and ideas borrowed from the discipline of economics. ... A phylogenetic tree of all extant organisms, based on 16S rRNA gene sequence data, showing the evolutionary history of the three domains of life, bacteria, archaea and eukaryotes. ... Judge Guido Calabresi (born 1932 in Milan, Italy) is currently a judge on the United States Court of Appeals for the Second Circuit. ... The United States Department of Justice (DOJ) is a Cabinet department in the United States government designed to enforce the law and defend the interests of the United States according to the law and to ensure fair and impartial administration of justice for all Americans. ... Antitrust is also the name of a movie, see Antitrust (film) Antitrust or competition laws are laws whose stated purpose is the promotion of economic and business competition by prohibiting anti-competitive behavior and unfair business practices. ... Joel Klein is Chancellor of the New York City public school system, the largest system in the United States with over 1. ...