共 18 条
- [1] Productivity changes of pulp and paper industry in OECD countries, 1991-2000: A non-parametric Malmquist approach For. Policy Econ., 3 (411-422):
- [3] Productivity changes of forest enterprises in Turkey: A non-parametric Malmquist approach AFRICAN JOURNAL OF AGRICULTURAL RESEARCH, 2011, 6 (28): : 6189 - 6196
- [6] Innovation Efficiency in OECD Countries: a Non-parametric Approach Journal of the Knowledge Economy, 2021, 12 : 1064 - 1078
- [7] A study of the Malmquist productivity index of infrastructure investments using non-parametric approach Tumu Gongcheng Xuebao/China Civil Engineering Journal, 2011, 44 (03): : 128 - 135