Table 1 Variable descriptions.
Variable | Definition and unit | Source |
|---|---|---|
REI | The number of renewable energy patent grants (file) | China National Intellectual Property Administration (2022) |
RD | Public R&D funding (RMB 100 million) | China Statistical Yearbook on Science and Technology (2007–2020) |
GDP | GDP per capita (RMB) | China Statistical Yearbook (2007–2020) |
REIC | Renewable energy installed capacity (million kilowatts) | China Electric Power Yearbook (2007–2020) |
RES | The proportion of renewable energy power generation (%) | China Electric Power Yearbook (2007–2020) |
CO2 | CO2 emissions per capita (ton) | China Emission Accounts and Datasets (2022) |
IPCII | The proportion of industrial pollution control investment in industrial added value (%) | China Environment Statistical Yearbook (2007–2020) |
