碳金融是否能够促进清洁能源的发展？——低碳技术创新视角

变量类型变量象征定义因变量清洁能源发展CLE公司清洁能源对一次能源总量的贡献（%）解释变量碳金融咖啡馆（以本币和外币计价的绿色贷款余额）/二氧化碳₂排放量（%）中介变量低碳技术创新LCTI公司低碳技术发明和实用新型专利数量占专利总数的比例（%）控制变量经济发展水平PGDP的人均国内生产总值（2000年不变价美元）外商直接投资外商直接投资外商直接投资额/国内生产总值 （%）生态足迹英 孚人均公顷数 （gha）城市规模CS系列行政面积（平方公里）/ 总面积（%）产业化水平工业按地区分地区工业增加值占地区GDP比重（%）

### Dataset Variable Description
1. **Dependent Variable**: CLE (Clean Energy Development)
Definition: The proportion of a company's clean energy contribution to total primary energy supply, expressed as a percentage (%).
2. **Explanatory Variable**: CF (The original Chinese has a typo "碳金融咖啡馆")
Definition: The ratio of green loan balances denominated in local and foreign currencies to CO₂ emissions, expressed as a percentage (%).
3. **Mediating Variable**: LCTI (Low-Carbon Technology Innovation)
Definition: The proportion of the number of low-carbon technology invention and utility model patents to the company's total patent count, expressed as a percentage (%).
4. **Control Variables**:
- Economic Development Level: Per capita Gross Domestic Product (PGDP), calculated at constant 2000 US dollars.
- Foreign Direct Investment (FDI): The ratio of total foreign direct investment amount to regional gross domestic product, expressed as a percentage (%).
- Ecological Footprint: Per capita hectare (gha).
- City Size (CS): The ratio of administrative area (in square kilometers) to total regional area, expressed as a percentage (%).
- Industrialization Level: The proportion of regional industrial added value to regional gross domestic product, expressed as a percentage (%).