00309    a2200121   4500020001500000082002100015100002100036245004700057250000800104260003100112300001900143650002500162  a0256178178  a338.5024658bBAY  aBaye, Michael R.  aManagerial economics and business strategy  a2nd  aChicagobIRWINc1994g1997  axi,490p.c28cm  aPRODUCTION ECONOMICS