roa · 总资产收益率 · continuous
| 变量名 | 标签 | 类型 |
|---|---|---|
| rd_intensity | 研发投入强度 | continuous |
| capex | 资本性支出 | continuous |
| 变量名 | 标签 | 类型 |
|---|---|---|
| size | 公司规模 | continuous |
| lev | 资产负债率 | continuous |
| growth | 营收增长率 | continuous |
| cashflow | 经营现金流比率 | continuous |
| asset_turnover | 总资产周转率 | continuous |
| soe | 国有企业 | binary |
| ind | 行业代码 | categorical |
| year | 年份 | continuous |