Agriculture produce commodities and but also influence the environment. However, even if the value of commodities is easy to determine, it is difficult to assess the efficiency of agricultural production at site level. Furthermore, the valuation of environmental impact is complex. Non-parametric...

According to the concept of ecosystem services, agriculture not only provides commodities but also cultural and regulating services. While it is easy to value commodity production by market prices, the valuation of cultural and regulating services is complex because of their public good...