00276    a2200109   450000500170000002000180001708200120003510000180004724500440006526000210010930000360013020250627165456.0  a9781450569781  a339 SPI  aSPIGELMAN, D.  aMacroeconomics: Principles and practice  aNew York,c2001.  a14p.; ill.; figure, tablec24cm