Hirschauer N. A model-based approach to moral hazard in food chains - What contribution do principal-agent-models make to the understanding of food risks induced by opportunistic behaviour?. GER J AGR ECON [Internet]. 2004 Jun. 17 [cited 2024 Nov. 23];53(5). Available from: https://www.tib-op.org/ojs/index.php/gjae/article/view/1594