Griffiths , William E Learning and Practicing Econometrics - Canada : Johnwiley , 1993 . - xxv , 866 p . : Charts , Graphs ; 26 cm ISBN: 0421599514 Subjects--Topical Terms: Econometrics Subjects--Index Terms: Econometrics Statistical Model Elasticities The Derivative Revisited Dewey Class. No.: 330 / GRI