TY - GEN AU - JOSHUA D ANGRIST AU - JORN STEFFEN PISCHKE TI - MOSTLY HARMLESS ECONOMETRICS: AN EMPIRICIST'S COMPANION SN - 9780691120355 U1 - 330.0151 ANG MOS PY - 2009/// CY - PRINCETON PB - PRINCETON UNIVERSITY PRESS KW - 300 Social sciences KW - 330 Economics ER -