Kirschke, Dieter, Astrid Häger, Kurt Jechlitschka, and Stefan Wegener. 2007. “Distortions in a Multi-Level Co-Financing System: The Case of the Agri-Environmental Programme of Saxony-Anhalt”. German Journal of Agricultural Economics 56 (7). https://doi.org/10.52825/gjae.v56i7.1699.