ZEI DP 279 and ZEI DP 280 https://www.zei.uni-bonn.de/en/about-zei/news/zei-discussion-papers-279-and-280/news_dp-279-280.png/view https://www.zei.uni-bonn.de/en/about-zei/news/zei-discussion-papers-279-and-280/news_dp-279-280.png/@@images/image-1200-6e9692770278a4b75263e47fe2d42577.png ZEI DP 279 and ZEI DP 280 news_DP-279-280.png image/png Type image/png Dimension Dimension 874x431 Size File size 59.6 KB Download View full-size image
