O'Sullivan, Arthur, Economics : principles, applications, and tools / Arthur O'Sullivan, Steven Sheffrin, Stephen Perez. - Ninth edition. Global edition. - 765 pages : colour illustrations ; 28 cm Previous edition: 2014. Includes bibliographical references and index. ISBN: 9781292165592 Subjects--Topical Terms: Economics. Dewey Class. No.: 330 / OSU 2018