产品结构演化的跨界效应研究——基于中国地级市出口产品的实证分析
贺灿飞, 任永欢, 李蕴雄

The Mechanism of Cross-boundary Product Evolution in China: An Empirical Analysis Based on Export Product of Prefecture-level Cities
Canfei He, Yonghuan Ren, Yunxiong Li
表1 全国模型估计结果
Table 1 The estimation results of national scale
模型 ① 模型 ② 模型 ③
LQc,i,t 0.278*** 0.278*** 0.278***
(0.02) (0.02) (0.02)
dc,i,t 0.796*** 0.794*** 0.804***
(0.0897) (0.0896) (0.0916)
lnLQnc,i,t 0.00427*** 0.00319*** 0.000892
(0.000479) (0.000658) (0.00142)
p -0.000983 -0.00132
(0.00281) (0.00282)
p×lnLQnc,i,t 0.00153* 0.00176**
(0.000843) (0.000853)
dc,i,t×lnLQnc,i,t 0.00367**
(0.00187)
R2 0.071 0.071 0.071