Angrist, Joshua D. Mostly harmless econometrics : an empiricist's companion / Joshua D. Angrist and Jorn-Steffen Pischke - Princeton : The University Press, œc c2009 - xiii, 373 p. ; 22 cm. Includes bibliographical references and index ISBN: 9780691120355 (pbk.) $35.00 Subjects--Topical Terms: EconometricsRegression analysis Dewey Class. No.: 330.015195