Table 8 Impact of production automation on skill premium in enterprises in different regions.
Variable | Eastern and Central enterprises | Western enterprises | ||||||
|---|---|---|---|---|---|---|---|---|
(1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) | |
PR | 0.0023*** (0.0005) | 0.0034*** (0.0009) | 0.0005*** (0.0007) | 0.0040*** (0.0014) | −0.0097 (0.0169) | −0.0182 (0.0229) | −0.0085 (0.0146) | 0.0004 (0.0249) |
VSI | 0.0889*** (0.0026) | 0.0667 (0.0650) | ||||||
PR*VSI | 0.0015* (0.0037) | 0.0964 (0.1522) | ||||||
GVC_lv | 0.0082*** (0.0008) | 0.0254 (0.0211) | ||||||
PR*GVC_lv | 0.0035** (0.0014) | −0.0001 (0.0269) | ||||||
GVC_ui | 0.0014*** (0.0003) | 0.0075 (0.0075) | ||||||
PR*GVC_ui | 0.0006* (0.0004) | −0.0039 (0.0115) | ||||||
Control variable | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Fixed year | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Fixed firm | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Obs | 336,811 | 336,811 | 336,811 | 336,811 | 7858 | 7858 | 7858 | 7858 |
R2 | 0.280 | 0.291 | 0.281 | 0.280 | 0.882 | 0.883 | 0.883 | 0.883 |
