Schipper, Lewis Consumer discretionary behavior : a comparative study in alternative methods of empirical research / by Lewis Schipper - Amsterdam, The Netherlands : North-Holland Pub. Co., c1964 - xxiv, 98 p. ; 23 cm. - Contributions to economic analysis ; 37 . Includes bibliographical references and index ISBN: PND 10.00 Subjects--Topical Terms: Consumers Dewey Class. No.: 339.4