The Düsseldorf Graduate School of Economics (DGSE) and Düsseldorf Institute for Competition Economics (DICE) are inviting applications for a Doctoral Researcher position in Economic Theory, Empirical Microeconomics, Econometrics, Behavioural/Experimental Economics, Industrial Organisation, or International Economics. The position is based at Heinrich Heine University Düsseldorf, Germany, is offered at 75% working hours, and starts on January 1, 2027. The initial contract runs until December 31, 2028, with a possible two-year extension. The position is paid according to E 13 TV-L and leads toward a PhD qualification. The application deadline is September 16, 2026.