Posner, Richard A. creator text nyu New York Aspen Publishers c2003 2003 6th ed. monographic eng xx, 747 p. ill. 26 cm. teacher's manual. Richard A. Posner. Includes bibliographical references and indexes. Law and economics Trade regulation United States Law United States K 487 .E3 P67 2003 0735534748 (alk. paper) 2002028047 PUCPR 050822 20200229020955.0 274831