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: Scott Gehlbach introducing the keynote at the Harris Forum.
SIOE conference photo: Giorgio Zanarone celebrating 11 years as SIOE Secretary.
SIOE conference photo: Catherine Duggan presenting at SIOE 2015.
SIOE conference photo: Matthew Jackson at SIOE 2017.
SIOE conference photo: SIOE conference moments.
SIOE conference photo: Oliver Williamson at the 2009 conference.
SIOE conference photo: Friends and colleagues at the 2009 conference.
SIOE conference photo: Dean Williamson and Benito Arrunada at SIOE 2015.
SIOE conference photo: Jaan Tallinn and Joel Leibo in discussion.
SIOE conference photo: Guido Friebel presenting at SIOE.
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Scott Gehlbach introducing the keynote at the Harris Forum.

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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