Joschka Wanner is an empirical economist working on international and environmental economics, as well as econometrics. So far, most of his work is related to the so-called gravity model in international trade. For example, he has worked on extended structural gravity models that allow an analysis of the effects of carbon tariffs or of unilateral withdrawals from the Paris Agreement.
He is external researcher at the Kiel Institute and assistant professor for quantitative international and environmental economics at the University of Würzburg. He obtained his PhD in economics from the University of Bayreuth in November 2019. He further holds a Bachelor of Arts in International Economics and Development and a Master of Science in Economics from the University of Bayreuth, as well as a Bachelor of Science in Mathematic and Statistics from the Open University, UK.