Media type: E-Article Title: Pivotal Statistics for Testing Structural Parameters in Instrumental Variables Regression Contributor: Kleibergen, Frank Published: The Econometric Society, 2002 Published in: Econometrica, 70 (2002) 5, Seite 1781-1803 Language: English DOI: 10.1111/1468-0262.00353 ISSN: 0012-9682; 1468-0262 Origination: Footnote: