College of Economics Fujian Agriculture and Forestry University Fuzhou 350002 P.R.China;
Department of Financial and Business Systems Faculty of Agribusiness and Commerce Lincoln University Lincoln 7647 Christchurch New Zealand;
Department of Global Value Chains and Trade Faculty of Agribusiness and Commerce Lincoln University Lincoln 7647 Christchurch New Zealand;
Department of Ecosystem Science and Management Pennsylvania State University PA 16801 USA;