Froyen, Richard T. Macroeconomics : theories and policies / Richard T. Froyen. - 9th ed. - Upper Saddle River, N.J. : Pearson Prentice Hall, c2009. - xxii, 454 p. : ill. ; 25 cm. Includes bibliographical references and index. ISBN: 9780137129713 (pbk. : Int'l ed.) 0137129718 (pbk. : Int'l ed.) Subjects--Topical Terms: Macroeconomics.Keynesian economics. Dewey Class. No.: 339 / FRO