00394nam a2200145Ia 4500008004100000020001500041041000800056082001300064100004300077245006000120250000600180260003600186300001200222650001400234210716s2003    xx            000 0 und d  a0130634506  aeng  a330 OSUA  aOsullivan, Arthur; Sheffrin, Steven M.  aEconomics: principles in action.bPrinciples in action.  a1  aNew JerseybPrentice Hallc2003  axvi,592  aEconomics