TY - BOOK AU - Baltagi,Badi H. TI - Econometrics T2 - Springer texts in business and economics SN - 9783642200588 (pbk. : alk. paper) U1 - 330.015195 PY - 1998/// CY - Heidelberg, New York PB - Springer KW - Econometrics N1 - Includes bibliographical references and index ER -