技术关联性、复杂性与区域多样化——来自中国地级市的证据
|
马双, 曾刚, 张翼鸥
|
Technological relatedness, complexity and regional diversity: Evidence from Chinese cities
|
MA Shuang, ZENG Gang, ZHANG Yiou
|
|
表2 各变量的描述性统计
|
Tab. 2 Descriptive statistics of variables
|
|
| N | Mean | St.dev. | Min | Max | Entry | 807 923 | 0.14 | 0.35 | 0 | 1 | Growth | 1 126 547 | 34.99 | 236.61 | -100 | 1000 | Relatedness_Density | 980 741 | 22.16 | 18.38 | 0 | 100 | Technology_Complexity | 987 825 | 36.78 | 24.61 | 0 | 100 | Population | 1 148 735 | 501.25 | 346.39 | 0.04 | 3 371.84 | GDP per capita | 1 148 735 | 8.58 | 3.87 | 2.79 | 23.46 | Population Density | 1 148 735 | 471.03 | 607.88 | 0.67 | 10 268 | Technological stock | 1 229 840 | 238 513 | 6388 | 467 | 875 137 | Technological size | 1 229 840 | 238 761 | 3189 | 327 | 741 265 |
|
|
|