TY - BOOK AU - Angrist, Joshua D | Pischke, Jorn-Steffen TI - Mostly harmless econometrics: an empiricist's companion SN - 9780691120355 (pbk.) U1 - 330.015195 ANG PY - 2009/// CY - New Jersey PB - Princeton University Press KW - Regression analysis KW - Econometrics -- Business N1 - Bookwell/ 488/Rs.3002/- ER -