00451pamaa2200157 4500 0000037522 20070927090000.0 0393957284 338.5 MAN 1990 HD30.22 MAN 1990 Mansfield Managerial economics : theory,applications and cases Edwin Mansfield. 1st ed. New York: W.W. Norton & Co., 1990. xx, 557p.: ill.; 24cm. Managerial economics