O'Sullivan, Arthur Macroeconomics : principles, applications, and tools / Arthur O'Sullivan, Steven M. Sheffrin, Stephen J. Perez - 5th ed. - Upper Saddle River, NJ : Pearson Prentice Hall, 2008 - 432 p. : ill. (some col.) ; 28 cm. ISBN: 013232928X Subjects--Topical Terms: Macroeconomics