00543nam a2200193 a 450000500170000002000150001708200210003210000190005324500410007225000120011326000340012530000230015969000250018270000220020796400250022999700120025499900170026695200660028320251203091548.0  a0030753929  a330.024658,bhir  aHirschey, Mark  aFundamentals of managerial economics  a4th ed.  aFortworth: Dryden Pressc1992  axxii,714p.c24 cm.  aManagerial economics  aPappas, James, L.  bEngc100de010fg_  a69702 C  c44541d44541  00104070aPUbPUd1998-04-08l0o330.024658, hirp69702yBK