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. 2023 Sep 13;13:15168. doi: 10.1038/s41598-023-42520-4

Table 2.

Benchmark regression estimation results.

(1) (2) (3) (4)
GIP GIP GUP GUP
ESER 0.1309*** 0.0650*** 0.1560*** 0.1007***
(0.0209) (0.0187) (0.0190) (0.0168)
GROWTH 0.0038*** 0.0030***
(0.0011) (0.0010)
GOV − 0.7328*** − 0.7224***
(0.0790) (0.0707)
POP 1.1782*** 0.9053***
(0.0567) (0.0508)
HC 0.0007*** 0.0006***
(0.0001) (0.0001)
FIN 0.0054 0.0098*
(0.0062) (0.0055)
FDI − 2.2885*** − 2.5722***
(0.2518) (0.2254)
ROAD 0.0221*** 0.0246***
(0.0017) (0.0015)
Constant 0.0549*** − 6.9000*** 0.0677*** − 5.2883***
(0.0119) (0.3340) (0.0107) (0.2990)
City fixed effects
Year fixed effects
N 3920 3920 3920 3920
R2 0.4561 0.5785 0.5732 0.6765

Note Standard errors are in parentheses, ***, **, and * indicate significance at the 1%, 5%, and 10% level, respectively.