Digital Finance, Environmental Regulation, and Green Technology Innovation: An Empirical Study of 278 Cities in China
Abstract
:1. Introduction
2. Literature Review
3. Research Hypotheses
4. Research Design Data Description
4.1. Model Construction
4.2. Variable Selection and Data Source
4.2.1. Explained Variable
4.2.2. Core Explanatory Variable
4.2.3. Control Variables
5. Empirical Analysis
5.1. Spatial Autocorrelation Test
5.2. Model Selection
5.3. Spatial Effect Analysis
5.3.1. Spatial Model Results
5.3.2. Spatial Effect Decomposition
5.4. Robustness Test
5.5. Heterogeneity Analysis
5.6. Discussion of Empirical Results
6. Conclusions and Suggestions
- Digital finance has an important role to play in promoting local green technology innovation. It is obvious that the low superlative threshold, low cost, high efficiency and informatization of digital finance encourage local enterprises’ green technology innovation through channels such as improving financing availability, reducing financing cost and transaction time, and improving resource allocation rate.
- Government environmental regulation facilitates the development of green technology innovation in local and adjacent areas. For one thing, it shows that the Porter hypothesis is valid in China. For another, environmental governance also reflects the relationship between learning and competition among local governments in China. When local governments force companies to innovate in green technologies by enforcing strict environmental regulations, neighboring governments also strengthen environmental regulations to achieve high-quality development.
- Environmental regulation plays a positive moderating role in the process of digital finance affecting green technological innovation. That is, environmental regulation plays a positive moderating role in the process of digital finance affecting green technology innovation. It shows that in the process of digital finance promoting green technology innovation, government environmental regulation plays an important guiding role.
- There is regional heterogeneity in the relationship between digital finance, environmental regulation, and green technology innovation. Among them, the environmental regulation in North China inhibits the local green technology innovation the most; Digital finance in Central China can not only promote green technology innovation in the region but also green technology innovation in neighboring regions through a spillover effect.
- The development of the secondary industry hinders the progress of green industry and further inhibits the level of urban green technology innovation.
7. Research Limitations and Future Research
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Variable | Name | Mean | Std. Dev | Min | Max |
---|---|---|---|---|---|
lngt | 2502 | 4.495 | 1.701 | 0 | 9.906 |
lndf | 2502 | 5.005 | 0.511 | 3.057 | 5.773 |
lner | 2502 | −3.016 | 0.959 | −8.702 | −0.312 |
lngdp | 2502 | 16.605 | 0.898 | 14.243 | 19.760 |
lnie | 2502 | 14.878 | 0.749 | 12.031 | 18.24 |
lnod | 2502 | 13.374 | 2.597 | 0 | 18.834 |
lneq | 2502 | 4.503 | 0.242 | 1.703 | 5.062 |
lnis | 2502 | 3.823 | 0.254 | 2.370 | 4.492 |
Year | Digital Finance | Green Technology Innovation | ||
---|---|---|---|---|
Moran Index | Z Value | Moran Index | Z Value | |
2011 | 0.060 *** | 8.352 | 0.062 *** | 16.899 |
2012 | 0.070 *** | 9.743 | 0.061 *** | 16.735 |
2013 | 0.088 *** | 12.065 | 0.049 *** | 13.550 |
2014 | 0.058 *** | 8.111 | 0.051 *** | 14.021 |
2015 | 0.068 *** | 9.474 | 0.053 *** | 14.703 |
2016 | 0.075 *** | 10.343 | 0.056 *** | 15.493 |
2017 | 0.089 *** | 12.233 | 0.060 *** | 16.419 |
2018 | 0.118 *** | 16.002 | 0.066 *** | 18.105 |
2019 | 0.126 *** | 17.172 | 0.066 *** | 18.147 |
LM Test | The Current Period | A Phase Lag | ||
---|---|---|---|---|
Model (1) | Model (2) | Model (1) | Model (2) | |
LM Spatial error | 781.159 *** | 756.630 *** | 674.772 *** | 640.610 *** |
LM Spatial lag | 9.018 *** | 8.410 *** | 7.136 *** | 6.100 ** |
Robust LM Spatial error | 789.367 *** | 765.303 *** | 686.185 *** | 653.170 *** |
Robust LM Spatial lag | 17.226 *** | 17.083 *** | 18.548 *** | 18.660 *** |
The Variable Name | The Current Period | A Phase Lag | ||
---|---|---|---|---|
Model (1) | Model (2) | Model (3) | Model (4) | |
lndf | 2.721 *** (22.56) | 3.096 *** (19.30) | 2.660 *** (21.21) | 3.056 *** (18.15) |
lner | 0.092 *** (5.02) | −0.423 *** (−2.89) | 0.085 *** (4.18) | −0.457 *** (−2.95) |
lndf*lner | 0.102 *** (3.55) | 0.110 *** (3.53) | ||
lngdp | 1.156 *** (22.96) | 1.147 *** (22.65) | 1.146 *** (20.98) | 1.133 *** (20.88) |
lnie | 0.064 (1.26) | 0.068 (1.33) | 0.090 (1.65) | 0.095 ** (1.74) |
lnod | 0.024 *** (2.94) | 0.026 *** (3.03) | 0.022 *** (2.43) | 0.023 *** (2.56) |
lneq | 0.133 ** (2.24) | 0.142 ** (2.36) | 0.139 *** (2.25) | 0.147** (2.40) |
lnis | −0.358 *** (−3.86) | −0.349 *** (−4.62) | −0.329 *** (−3.93) | −0.324 *** (−3.86) |
w*lndf | −0.198 (−0.44) | −0.260 (−0.34) | −0.229 (−0.48) | −0.669 (−0.79) |
w*lner | 0.252 * (1.83) | 0.491 (0.49) | 0.104 (0.69) | 0.961 (0.89) |
w*lngt | 0.339 *** (3.60) | 0.316 *** (2.27) | 0.334 *** (3.53) | 0.297 ** (2.08) |
R2 | 0.476 | 0.482 | 0.485 | 0.499 |
observations | 2502 | 2502 | 2224 | 2224 |
time | fixed | fixed | fixed | fixed |
city | fixed | fixed | fixed | fixed |
Variable | Direct | Indirect | Total |
---|---|---|---|
lndf | 2.725 *** (22.48) | 1.072 (1.18) | 3.798 *** (4.09) |
lner | 0.091 *** (5.85) | 0.420 ** (2.10) | 0.511 ** (2.55) |
Variable | Eliminating Outliers | Variable | Eliminating Outliers | ||
---|---|---|---|---|---|
Current Period(1) | Lag Period (2) | Current Period(1) | Lag Period (2) | ||
lndf | 3.320 *** (19.36) | 3.056 *** (18.15) | lneq | 0.171 ** (2.20) | 0.147 *** (2.40) |
lner | −0.264 * (−1.94) | −0.457 *** (−2.95) | lnis | −0.291 *** (−3.55) | −0.324 *** (−3.86) |
lndf*lner | 0.068 ** (2.55) | 0.109 *** (3.53) | w*lndf | −0.525 (−0.50) | −0.668 (−0.79) |
lngdp | 0.963 *** (18.40) | 1.132 *** (20.88) | w*lner | 1.187 (0.76) | 0.960 (0.89) |
lnie | 0.203 *** (3.73) | 0.095 * (1.74) | w*lngt | 0.206 (1.02) | 0.296 ** (2.08) |
lnod | 0.075 *** (6.75) | 0.023 *** (2.56) |
Variable | Northeast China | East China | North China | South China | Central China | Northwest China | Southwest China | |
---|---|---|---|---|---|---|---|---|
lndf | Direct | 0.414 ** (2.24) | 0.779 *** (5.31) | −0.269 (−0.91) | 1.361 *** (4.36) | 0.611 ** (2.26) | 0.769 ** (2.31) | 0.387 * (1.82) |
Indirect | −0.174 (−0.83) | −0.813 (−1.43) | −0.234 (−0.63) | −0.472 (−0.99) | 0.064 ** (2.26) | −0.772 ** (−1.79) | −1.372 ** (−2.33) | |
Total | 0.240 ** (1.79) | −0.034 (−0.06) | −0.504 * (−1.77) | 0.889 ** (2.22) | 0.676 *** (4.11) | −0.002 (−0.01) | −0.985 * (−1.68) | |
lner | Direct | −0.040 (−0.82) | 0.114 *** (3.19) | −0.022 (−0.55) | −0.022 (−0.41) | −0.026 (−0.67) | −0.072 (−1.21) | −0.047 (−1.15) |
Indirect | 0.103 * (1.67) | 0.376 ** (2.23) | −0.246 ** (−2.24) | 0.172 (0.63) | 0.206 *** (4.01) | 0.010 (0.09) | 0.036 (0.23) | |
Total | 0.063 (1.79) | 0.489 *** (2.98) | −0.268 ** (−2.44) | 0.149 (0.55) | 0.179 *** (5.55) | −0.062 (−0.54) | −0.011 (−0.08) |
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Hu, Y.; Dai, X.; Zhao, L. Digital Finance, Environmental Regulation, and Green Technology Innovation: An Empirical Study of 278 Cities in China. Sustainability 2022, 14, 8652. https://0-doi-org.brum.beds.ac.uk/10.3390/su14148652
Hu Y, Dai X, Zhao L. Digital Finance, Environmental Regulation, and Green Technology Innovation: An Empirical Study of 278 Cities in China. Sustainability. 2022; 14(14):8652. https://0-doi-org.brum.beds.ac.uk/10.3390/su14148652
Chicago/Turabian StyleHu, Yiqun, Xiong Dai, and Li Zhao. 2022. "Digital Finance, Environmental Regulation, and Green Technology Innovation: An Empirical Study of 278 Cities in China" Sustainability 14, no. 14: 8652. https://0-doi-org.brum.beds.ac.uk/10.3390/su14148652