TY - BOOK AU - Wooldridge,Jeffrey M. TI - Introductory econometrics: a modern approach SN - 0324788908 AV - HB139 .W665 2006 U1 - 330.015195 22 PY - 2009/// CY - Mason, OH PB - Thomson/South-Western KW - Econometrics N1 - Includes bibliographical references (p. 854-858) and index ER -