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: Setting the stage for the annual conference.
SIOE conference photo: Janet Landa and Barak Richman at SIOE 2017.
SIOE conference photo: Oliver Hart at SIOE 2017.
SIOE conference photo: Dean Williamson and Benito Arrunada at SIOE 2015.
SIOE conference photo: Four presidents of SIOE together.
SIOE conference photo: SIOE conference moments.
SIOE conference photo: Philippe Aghion at the SIOE conference.
SIOE conference photo: It is hard to focus on the institutional equilibrium during a gala dinner cruise on Lake Michigan after a great conference.
SIOE conference photo: Eric Brousseau (Paris-Dauphine) and Lee Epstein (Washington U) having a good time at a reception in Florence.
SIOE conference photo: Douglas Allen at SIOE 2015.
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Setting the stage for the annual conference.

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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