Keat, Paul G. Managerial economics : economic tools for today's decision makers / - 5th ed. - Upper Saddle River, N.J. : Pearson Prentice Hall, c2006. - xx, 571 pages : Illustrations ; Includes index. ISBN: 0131860151 Subjects--Topical Terms: Managerial economics. LC Class. No.: HD 30.22 / KEA