1. School of Economics, Jinan University, Guangzhou, China
2. Bangor College, Central South University of Forestry & Technology, Changsha, China
3. Department of Food, Agricultural And Resource Economics, University of Guelph, Guelph, Canada
4. School of Agricultural And Resource Economics, The University of Western Australia, Perth, Australia
5. Department of Economics And Finance, Gordon S. Lang School of Business and Economics, University Of Guelph, Guelph, Canada
6. Graduate Department of Forestry John H. Daniels Faculty of Architecture, Landscape, and Design, University of Toronto, Toronto, Canada