00392pamaa2200157 4500 0000016293 20060602090000.0 0256160686(hc)/0256161577(sc) 339 HYM HB172.5 HYM 1997 HYMAN Macroeconomics David N.Hyman. 4th ed. Chicago: Irwin, 1997. xxiv, 546p.; 25 cm. Macroeconomics