更改

1986年，Imbens在赫尔大学的导师之一--Anthony Lancaster搬到了位于罗德岛普罗维登斯的布朗大学。<ref>{{Cite web|last=Irel|first=Corydon|last2=Office|first2=Harvard News|date=2007-03-15|title=Bringing hard science to economics|url=https://news.harvard.edu/gazette/story/2007/03/bringing-hard-science-to-economics/|access-date=2021-10-13|website=Harvard Gazette|language=en-US|archive-date=14 August 2021}}</ref>Imbens跟随Lancaster到布朗大学继续攻读研究生和博士学位，并于1989年和1991年在布朗大学获得了经济学硕士和博士学位。<ref name="thesis-imbens-1991">{{cite thesis |title=Two essays in econometrics |date=1991 |institution= Brown University |degree=Ph.D. |last=Imbens |first=Guido Wilhelmus |id={{ProQuest|303881903}} |oclc=26957442}}</ref><ref name="Imbens_Curriculum_Vitae" /><ref>{{cite web | title = Guido Imbens, 1991 Brown Ph.D. recipient, is 2016 – 17 Horace Mann Medal winner | url = https://economics.brown.edu/announcements/guido-imbens-1991-brown-phd-recipient-2016-17-horace-mann-medal-winner | website = Brown University Department of Economics website | date = 22 May 2017 | access-date = 11 October 2021}}</ref>

1986年，Imbens在赫尔大学的导师之一--Anthony Lancaster搬到了位于罗德岛普罗维登斯的布朗大学。<ref>{{Cite web|last=Irel|first=Corydon|last2=Office|first2=Harvard News|date=2007-03-15|title=Bringing hard science to economics|url=https://news.harvard.edu/gazette/story/2007/03/bringing-hard-science-to-economics/|access-date=2021-10-13|website=Harvard Gazette|language=en-US|archive-date=14 August 2021}}</ref>Imbens跟随Lancaster到布朗大学继续攻读研究生和博士学位，并于1989年和1991年在布朗大学获得了经济学硕士和博士学位。<ref name="thesis-imbens-1991">{{cite thesis |title=Two essays in econometrics |date=1991 |institution= Brown University |degree=Ph.D. |last=Imbens |first=Guido Wilhelmus}} |oclc=26957442}}</ref><ref name="Imbens_Curriculum_Vitae" /><ref>{{cite web | title = Guido Imbens, 1991 Brown Ph.D. recipient, is 2016 – 17 Horace Mann Medal winner | url = https://economics.brown.edu/announcements/guido-imbens-1991-brown-phd-recipient-2016-17-horace-mann-medal-winner | website = Brown University Department of Economics website | date = 22 May 2017 | access-date = 11 October 2021}}</ref>

[[File:Brown_university_robinson_hall_2009a_crop_and_straighten.jpg|thumb|布朗大学经济系]]

[[File:Brown_university_robinson_hall_2009a_crop_and_straighten.jpg|thumb|布朗大学经济系]]