Wooldridge, Jeffrey M. Introductory econometrics : a modern approach / Jeffrey M. Wooldridge - 4th ed. - Mason : South Western, Cengage Learning , 2009 - xx, 865p. : ill. ; 27 cm. Includes bibliographical references and index. ISBN: 9780324581621 (student ed. package) 0324581629 (student ed. package) 9780324660609 (access code card) 032466060X (access code card) 9780324660548 (student ed.) 0324660545 (student ed.) 8131516737 9788131516737 Subjects--Topical Terms: Econometrics Dewey Class. No.: 330.015195 / WOO