基于非期望产出和门槛回归模型的环渤海地区生态效率

韩增林, 吴爱玲, 彭飞, 孙嘉泽, 夏康

Eco-efficiency in the Bohai Rim area based on undesirable outputs and threshold regression model

Zenglin HAN, Ailing WU, Fei PENG, Jiaze SUN, Kang XIA

表4 门槛效果检验

Tab.4 Test on threshold effects

指标 科技水平 TECH 城市规模 SCAL 对外开放 INEX 环境规制 ECRE 单一门槛检验 3.935** [0.032] 9.869*** [0.000] 10.040*** [0.000] 8.108*** [0.004] 双重门槛检 20.575*** [0.000] 51.852*** [0.000] 11.207*** [0.000] 5.658*** [0.004] 三重门槛检验 0.000 [0.224] 0.000 [0.452] 0.000 [0.174] 0.000 [0.420] 样本最小值 7.97/452 124.38 1.08% 6.99%/1.42%/9.40% 样本最大值 1185.76/2877956 1339.30 66.73% 100%/99.3%8/100% 样本均值 179.65/98835 528.44 15.68% 80.22%/51.42%/89.89%