Ayers, Ronald M. Macroeconomics : explore & apply / Ronald M. Ayers, Robert A. Collinge. - Upper Saddle River, N.J. : Prentice Hall, c2003. - xxxi, 489 p. : col. ill. 26 cm. Includes index. ISBN: 0131463918 Subjects--Topical Terms: Macroeconomics. LC Class. No.: HB172.5 / .A925 2003