著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) BAUM C. F.,"ivreg2 : Stata Module for Extended Instrumental Variables/2SLS, GMM and AC/HAC, LIML and k-class Regression",http://ideas.repec.org/c/boc/bocode/s425401.html,,,2007,,,,https://cir.nii.ac.jp/crid/1572543026118985600,