Itzhak Gilboa

{{short description|Israeli economist}}

{{Infobox economist

| name = Itzhak Gilboa

| native_name = יצחק גלבוע

| native_name_lang = he

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| birth_date = {{birth date and age|1963|02|03}}

| birth_place = Tel Aviv, Israel

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| citizenship = Israel

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| discipline = Mathematics
Economics

| workplaces = Tel Aviv University
Yale University
HEC Paris

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| alma_mater = Tel Aviv University

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| doctoral_advisor = David Schmeidler

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• Akihiko Matsui{{Cite web |date= |url=http://www.amatsui.e.u-tokyo.ac.jp/curriculumvitae2009.pdf |title=cv |publisher=Aki Matsui's HP |accessdate=2016-04-29}}
• Marzena Rostek{{mathgenealogy|88308}}

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| repec_prefix = e

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Itzhak Gilboa (Hebrew: יצחק גלבוע; born February 3, 1963, in Tel Aviv) is an Israeli economist with contributions in decision theory. After obtaining his BA in Mathematics and Economics from Tel Aviv University, he earned his Ph.D. in 1987 under the supervision of David Schmeidler. He currently holds professorship positions at HEC Paris and Reichman University.

His work include the theory of Maxmin Expected Utility{{Cite journal |last1=Gilboa |first1=Itzhak |last2=Schmeidler |first2=David |author-link2=David Schmeidler |date=January 1989 |title=Maxmin expected utility with non-unique prior |url=https://linkinghub.elsevier.com/retrieve/pii/0304406889900189 |journal=Journal of Mathematical Economics |language=en |volume=18 |issue=2 |pages=141–153 |doi=10.1016/0304-4068(89)90018-9}} with David Schmeidler. This theory explains individual attitudes towards ambiguity that are consistent with the Ellsberg paradox.