Targeted environmental policies for farmlands may improve the cost-efficiency of conservation programs if one can identify those farms that produce public goods with the least cost. We derive shadow values of producing crop diversity for a sample of Finnish conventional and organic crop farms in...

The orange crop is widespread in Brazil and is cultivated in almost all states. Meanwhile, Orange is a focused culture, with the State of Sao Paulo accounts for about 78% of production. But there is a discrepancy between the number of producers and the quantity produced orange. This mismatch...