edited by Alvin I. Goldman and Brian P. McLaughlin. edited by Julian L. Simon and Herman Kahn edited by Anita Feldman and Ariel Plotek. edited by John P. Rumrich and Gregory Chaplin. edited by Alan Bowman and Andrew Wilson. edited by Bernard Hoekman and Will Martin edited by James Leibold and Chen Yangbin. edited by John Boardman and N. G. L. Hammond. edited by Matthew S. Gordon and Kathryn A. Hain. edited by Karen Goaman and Phillip Clarke