TY - BOOK AU - William F. Shughart AU - Sparkes,John R. TI - Modern managerial economics ecnomic theory for business decisions SN - 0538817348 AV - HD 30.22 .S53 1993 U1 - 338.7/01 PY - 1993/// CY - USA PB - South western publishing co KW - Managerial economics N1 - Includes index ER -