This study evaluates linear programming (LP) and positive mathematical programming (PMP) approaches for 3,400 farm-level models implemented in the SWISSland agent-based agricultural sector model. To overcome limitations of PMP regarding the modelling of investment decisions, we further...

Indicator-based frameworks for assessing farms' environmental performance have become a resource for environmental knowledge regarding the impacts of agricultural practices. The present study explores whether a novel indicator-based direct payment system, which focuses on the farms'...

Worldwide, feed-food competition for arable land is of rising concern. Swiss agricultural policy wants to promote grass-based cattle feeding through a voluntary direct payment program that is currently being revised. The current version of the program requires a minimum share of 75-85 per cent...