Society for Institutional and Organizational Economics

The Society for Institutional and Organizational Economics is an international learned society for the economic study of institutions and organizations. Founded in 1997 as the International Society for New Institutional Economics (ISNIE) and renamed SIOE in 2014, it brings together economists, legal scholars, political scientists and management researchers at an annual peer-reviewed conference, and awards four prizes named after Ronald Coase, Douglass North, Elinor Ostrom and Oliver Williamson.

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SIOE 2027 — University of Warwick

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Coventry, UK · 18–20 July 2027
SIOE conference photo: Chris Blattman delivering his keynote lecture.
SIOE conference photo: Duncan Watts at SIOE 2017.
SIOE conference photo: SIOE conference moments.
SIOE conference photo: Past presidents of SIOE.
SIOE conference photo: Bernard Salanié at SIOE 2017.
SIOE conference photo: Bengt Holmstrom (MIT) during a panel discussion at SIOE 2017, held at Columbia University.
SIOE conference photo: SIOE conference moments.
SIOE conference photo: SIOE conference moments.
SIOE conference photo: Henry Smith delivering his Presidential address.
SIOE conference photo: Friends and colleagues at the 2009 conference.
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Chris Blattman delivering his keynote lecture.

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The 2026 SIOE Awards
· Federica Carugati

The 2026 SIOE Awards

Angela Zhang wins the Douglass North Best Book Award, Matteo Tranchero the Ronald H. Coase Dissertation Award, and Ngoma, Sievert, Jaravel, Nunn and Weigel the Oliver E. Williamson Best Conference Paper Award.

Read moreabout The 2026 SIOE Awards