Keat, Paul G. Managerial economics : economic tools for today's decision makers / Paul G. Keat, Philip K. Y. Young. - 6th ed. - Upper Saddle River, N.J. : Prentice Hall / Pearson Education, c2009. - xxiii, 598 p. : ill. ; 26 cm. Includes bibliographical references and index. ISBN: 9780136040040 (hbk.) 9780135070659 (pbk. : int. ed.) Subjects--Topical Terms: Managerial economics. Dewey Class. No.: 338.5024658 / KEA 2009