研发投入与企业绩效 // csmar_finance

Dataset: CSMAR财务数据库

identification: firm and year fixed effects with financial controls

dependent variable

roa · 总资产收益率 · continuous

core independent variables (2)

namelabeltype
rd_intensity研发投入强度continuous
capex资本性支出continuous

controls (8)

namelabeltype
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