1. Payments for Environmental Services: to whom, for what, and how much?;Alix-García;Working Paper. 30: University of California at Berkeley, Department of Agricultural and Resource Economics,2004
2. Selling two environmental services: in-kind payments for bird habitat and watershed protection in Los Negros, Bolivia;Asquith;Ecological Economics,2008
3. Agri-environmental policies in the EU and United States: a comparison;Batlis;Ecological Economics,2008
4. China's sloping land conversion program: institutional innovation or business as usual?;Bennet;Ecological Economics,2008
5. An Incentive Based Tool for Ecologically and Economically Efficient Provision of Agrobiodiversity;Bertke,2005