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.

Save the date

SIOE 2027 — University of Warwick

Read the announcement
Coventry, UK · 18–20 July 2027
SIOE conference photo: Animated discussion during the 2009 conference.
SIOE conference photo: Tore reading a poem at the conference dinner.
SIOE conference photo: Nobel laureate Jean Tirole – the first SIOE keynote speaker who also presented a paper in a regular session.
1 / 10

Animated discussion during the 2009 conference.

About SIOE

The Society promotes rigorous theoretical and empirical investigation of the nature, behavior, and governance of organizations and institutions. Its members use approaches drawn from various disciplines (including economics, strategy, political science, law, history, sociology, and anthropology).

Latest News

Updates from SIOE and the field

· 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