Arnold, Roger A. Macroeconomics / Roger A. Arnold - 13th ed. - Bostan, MA : Cengage Learning, 2019 - xxx, 579 p. : color ill. ; 28 cm. Includes index. ISBN: 9781337617390 (pbk.) Subjects--Topical Terms: EconomicsMacroeconomics. Dewey Class. No.: 339 ARN