00612pamaa2200193 4500 0000044949 20121206090000.0 090226 eng 9780324588866 / 9780324588316 / 0324588313 HD30.22 HIR 2009 Hirschey, Mark Managerial economics Mark Hirschey. 12th ed. Mason, OH: South-Western Cengage Learning, 2009. xxvii, 836 p.: ill.; 27 cm. DCAU Includes bibliographical references and index Managerial economics www.ichapters.com