| Literature DB >> 36142072 |
Xiaoming Song1,2, Ze Tian1, Chenhui Ding1, Chao Liu3, Wei Wang1, Ronggai Zhao4, Yingchun Xing2.
Abstract
China is currently in a strategic opportunity period for green and high-quality development, and developing the digital economy is an important choice to achieve environmental pollution control, improve regional ecological efficiency, and enhance social welfare. In this context, the impact of the digital economy on ecological well-being performance and the role of environmental regulation need to be examined. In this study, the super-efficiency SBM-DEA model was used to measure the level of ecological well-being performance in 30 provinces of China from 2011 to 2019. On this basis, the mediating effect model and spatial Durbin model were adopted to explore the transmission mechanism and regional heterogeneity of the impact of the digital economy on ecological well-being performance. The empirical results show that the digital economy significantly contributes to regional ecological well-being performance in China, and there is significant spatial spillover as well. Moreover, the findings still hold under robustness tests. The results also show that environmental regulation is an important transmission path for the digital economy to enhance regional ecological well-being performance, and the impact of environmental regulation on ecological well-being performance varies by region; specifically, the impact in eastern China is positive but not significant. However, the digital economy plays a significant positive role in promoting ecological well-being performance in the central and western regions, and is more obvious in the central region. Finally, suggestions are put forward to enhance the role of the digital economy in regional ecological well-being performance, which is of great significance for promoting green economic growth and high-quality development.Entities:
Keywords: digital economy; ecological well-being performance; environmental regulation; mediating effects; spatial effects
Mesh:
Year: 2022 PMID: 36142072 PMCID: PMC9517032 DOI: 10.3390/ijerph191811801
Source DB: PubMed Journal: Int J Environ Res Public Health ISSN: 1660-4601 Impact factor: 4.614
Figure 1Mechanism of the digital economy acting on ecological well-being performance.
Performance evaluation index system of provincial ecological welfare in China.
| Indicator Category | First Grade Indexes | Second Indexes | Third Grade Indexes | Unit |
|---|---|---|---|---|
| Input indicators | Resource consumption | Labor input | Labor stock | Million people |
| Capital investment | Physical capital stock | Billion | ||
| Land input | Built-up area | Million square kilometers | ||
| Energy inputs | Energy consumption | Million tonnes of standard coal | ||
| Total annual water supply | Million cubic meters | |||
| Annual electricity consumption | Billion kWh | |||
| Desirable outputs | Benefit level | Economic benefits | GDP per capita | Yuan |
| Social welfare | Average years of schooling | Year | ||
| Average life expectancy | Year | |||
| Undesirable outputs | Environmental pollution | Exhaust emissions | Industrial sulfur dioxide emissions | Million tons |
| Wastewater discharge | Industrial wastewater discharge | Million tons | ||
| Smoke (powder) dust emissions | Industrial smoke (dust) emissions | Million tons |
Descriptions of variables.
| Variable Name | Variable Code | Metrics | Variable Property |
|---|---|---|---|
| Ecological well-being performance |
| Ecological well-being performance index, calculated by SBM-DEA model with undesirable outputs and logarithmic processing | Dependent variable |
| Digital economy |
| Digital economy index, calculated by principal component analysis | Independent variable |
| Environmental regulation |
| Amount of investment in environmental pollution control/GDP | Mediating variable |
| Population density |
| Number of people/provincial area | Control variable |
| Level of regional economic development |
| Logarithm of per capita GDP | Control variable |
| Market openness |
| Total imports and exports/GDP | Control variable |
| Technical level |
| Technology expenditure/GDP | Control variable |
| Degree of greenery |
| Green space per capita | Control variable |
| Energy consumption |
| Characterized by the ratio of regional coal consumption to total energy consumption and logarithmically processed | Control variable |
Descriptive statistics of variables.
| Obs | Mean | Std | Min | Max | ||
|---|---|---|---|---|---|---|
| Dependent variables |
| 270 | −1.463 | 0.886 | −2.742 | 0.609 |
| Intermediate variables |
| 270 | 0.184 | 0.598 | −2.384 | 1.443 |
| Independent variables |
| 270 | 0.001 | 0.984 | −0.994 | 3.493 |
| Control variables |
| 270 | 7.873 | 0.421 | 6.858 | 8.618 |
|
| 270 | 1.426 | 0.511 | 0.303 | 2.607 | |
|
| 270 | 1.485 | 1.304 | −0.722 | 4.673 | |
|
| 270 | −0.992 | 0.516 | −1.893 | 0.282 | |
|
| 270 | 2.538 | 0.212 | 1.96 | 2.984 | |
|
| 270 | −0.188 | 0.57 | −3.695 | 0.901 | |
Estimated impact of digital economy on ecological well-being performance.
| Variable | Benchmark | Mediating Effects | ||
|---|---|---|---|---|
|
|
|
|
| |
|
| 0.084 ** | 0.083 ** | 0.304 * | 0.075 * |
|
| 0.027 * | |||
|
| 0.023 | 0.044 | 0.024 * | |
|
| 0.036 * | −0.021 | 0.036 * | |
|
| −0.012 * | −0.032 | −0.011 * | |
|
| −0.012 | 0.007 | −0.012 | |
|
| 0.016 | −0.680 ** | 0.034 | |
|
| −0.146 *** | 0.044 | −0.147 *** | |
| Constant | −1.463 *** | −1.758 *** | 2.353 ** | −1.820 *** |
| N | 270 | 270 | 270 | 270 |
| R-squared | 0.018 | 0.139 | 0.048 | 0.153 |
Note: ***, **, and * denote statistical significance at 1, 5, and 10%, respectively, and values in parentheses represent t-statistics or z-statistics.
Moran’s I of digital economy and ecological well-being performance from 2011 to 2019.
| Year |
|
| ||
|---|---|---|---|---|
| W1 | W2 | W1 | W2 | |
| 2011 | 0.190 ** | 0.104 * | 0.276 *** | 0.484 *** |
| 2012 | 0.181 ** | 0.105 * | 0.257 *** | 0.464 *** |
| 2013 | 0.180 ** | 0.105 * | 0.212 ** | 0.406 *** |
| 2014 | 0.176 ** | 0.110 * | 0.194 ** | 0.378 *** |
| 2015 | 0.154 * | 0.107 * | 0.287 *** | 0.413 *** |
| 2016 | 0.150 * | 0.106 * | 0.229 *** | 0.369 *** |
| 2017 | 0.161 * | 0.122 * | 0.204 ** | 0.336 *** |
| 2018 | 0.171 ** | 0.157 ** | 0.212 ** | 0.340 *** |
| 2019 | 0.142 * | 0.176 ** | 0.250 *** | 0.365 *** |
Note: ***, **, and * denote statistical significance at 1, 5, and 10%, respectively.
Regression results of spatial model of the impact of the digital economy on ecological well-being performance.
| Variable | SDM | SAR | SEM | |||
|---|---|---|---|---|---|---|
| W1 | W2 | W1 | W2 | W1 | W2 | |
|
| 0.060 | 0.098 ** | 0.091 ** | 0.094 *** | 0.085 ** | 0.102 *** |
| (1.64) | (2.57) | (2.49) | (2.58) | (2.28) | (2.71) | |
|
| 0.015 | 0.014 | 0.022 | 0.024 * | 0.018 | 0.023 * |
| (1.11) | (0.96) | (1.58) | (1.73) | (1.31) | (1.68) | |
|
| 0.029 | 0.024 | 0.037 * | 0.038 * | 0.036 * | 0.038 ** |
| (1.44) | (1.15) | (1.84) | (1.88) | (1.86) | (1.98) | |
|
| −0.010 | −0.007 | −0.012 * | −0.013 * | −0.012 * | −0.013 ** |
| (−1.53) | (−1.11) | (−1.86) | (−1.93) | (−1.82) | (−1.97) | |
|
| −0.008 | −0.016 | −0.013 | −0.012 | −0.014 | −0.012 |
| (−0.63) | (−1.20) | (−0.95) | (−0.90) | (−1.10) | (−0.89) | |
|
| 0.132 ** | 0.153 ** | 0.009 | 0.012 | 0.059 | 0.052 |
| (2.02) | (2.27) | (0.16) | (0.21) | (0.88) | (0.79) | |
|
| −0.196 *** | −0.178 *** | −0.150 *** | −0.151 *** | −0.165 *** | −0.162 *** |
| (−6.44) | (−5.69) | (−5.10) | (−5.13) | (−5.34) | (−5.31) | |
| rho | 0.207** | 0.200 ** | 0.138 | 0.155 * | ||
| (2.30) | (2.52) | (1.54) | (1.95) | |||
| W*Dig | 0.268 *** | −0.082 | ||||
| (2.79) | (−1.28) | |||||
| LR_Dire | 0.074 ** | 0.097 ** | 0.093 ** | 0.096 ** | ||
| (1.98) | (2.50) | (2.46) | (2.55) | |||
| LR_Indi | 0.355 *** | −0.067 | 0.016 | 0.018 | ||
| (2.98) | (−0.94) | (1.18) | (1.37) | |||
| LR_Total | 0.429 *** | 0.030 | 0.109 ** | 0.114 ** | ||
| (3.48) | (0.40) | (2.40) | (2.47) | |||
| N | 270 | 270 | 270 | 270 | ||
| R-squared | 0.168 | 0.234 | 0.168 | 0.221 | ||
Note: ***, **, and * denote statistical significance at 1, 5, and 10%, respectively, and values in parentheses represent t-statistics or z-statistics.
Regional heterogeneity test for impact of digital economy on ecological well-being performance.
| Variable | Eastern Region | Central Region | Western Region |
|---|---|---|---|
|
| 0.099 | 0.686 *** | 0.137 ** |
|
| 0.036 | 0.016 | −0.023 |
|
| 0.034 | −0.097 | 0.047 |
|
| −0.010 | 0.024 | −0.015 * |
|
| −0.011 | −0.071 | −0.001 |
|
| −0.534 *** | 1.258 *** | −0.152 ** |
|
| −0.251 *** | 0.244 * | −0.065 |
| Constant | −0.435 | −4.715 *** | −0.762 * |
| Observations | 99 | 72 | 99 |
| Number of obs | 11 | 8 | 11 |
Note: ***, **, and * denote statistical significance at 1, 5, and 10%, respectively, and values in parentheses represent t-statistics or z-statistics.
Robustness tests for impact of digital economy on ecological well-being performance.
| Variable | Substitution Variable | DID | 2SLS |
|---|---|---|---|
|
| 0.108 *** | 0.124 * | |
| DID | 0.070 *** | ||
|
| 0.022 | 0.016 | 0.028 |
|
| 0.036 * | 0.023 | −0.229 |
|
| −0.011 | −0.006 | 0.162 *** |
|
| −0.015 | −0.009 | −0.106 |
|
| 0.054 | 0.093 | −0.509 ** |
|
| −0.156 *** | −0.206 *** | −0.433 *** |
|
| −0.104 | ||
| Constant | −1.618 *** | −1.886 *** | −0.490 |
| N | 270 | 270 | 270 |
| R-squared | 0.246 | 0.211 |
Note: ***, **, and * denote statistical significance at 1, 5, and 10%, respectively, and values in parentheses represent t-statistics or z-statistics.