Ralph Ossa is Professor of Economics at the University of Zurich. From January 2023 until June 2025 he served as Chief Economist of the Word Trade Organization.
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Global trade
Global trade under strain: why rules still matter for nations like Switzerland
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Former chief economist of the WTO, Ralph Ossa, explains why economies such as Switzerland need to defend and adapt the rules-based system.
![The four-metre-long painting "Sonntag der Bergbauern" [Sunday of the Mountain Farmers, 1923-24/26] had to be removed by a crane from the German Chancellery in Berlin for the exhibition in Bern.](https://www.swissinfo.ch/content/wp-content/uploads/sites/13/2025/12/01_Pressebild_KirchnerxKirchner.jpg?crop=1165px,0px,1670px,1670px&w=480&ver=a45b19f3)
