Kettner, Claudia, and Eva Wretschitsch. “Taxes and Subsidies in EU Energy Policy - Fit for 55?”. Korea Europe Review: an interdisciplinary journal of politics, society, and economics, no. 4 (August 25, 2023). Accessed January 15, 2025. https://www.korea-europe-review.org/index.php/ker/article/view/20.