ZEI Discussion Paper ZEI Discussion Paper 2024-20181 ZEI Discussion Paper 2017-20082 ZEI Discussion Paper 2007-19983 Linkshttps://www.zei.uni-bonn.de/en/publications/zei-dp/zei-dphttps://www.zei.uni-bonn.de/en/publications/zei-dp/zei-discussion-paper-2017-2008https://www.zei.uni-bonn.de/en/publications/zei-dp/zei-discussion-paper-2007-1998