中文摘要：

本文以总资产收益率和净资产收益率作为反映企业经济绩效的因变量,以研发密度、技术人员比率、资本支出率和专利作为反映企业技术创新的自变量,同时选用控制变量资产负债率（Debt）和企业规模（Size）进行回归估计,得出如下结论：企业研发密度、企业技术人员比率、专利授权数均与企业经济绩效之间存在正相关关系,资本支出率与企业经济绩效之间存在负相关关系。

英文摘要：

Based on the total return on assets and return on net assets as the dependent variable reflects the enterprise economic per- formance, this paper takes development density, technical personnel ratio, ratio of capital expenditure and patent as reflect the enterprise technology innovation of the independent variable, and selects control variable asset- liability ratio （Debt） and finn Size （Size） for re- gression estimation. The conclusions are： there was a positive correlation between the rate of capital expenditure and the density of enter- prise development, enterprise technical personnel ratio, the number of patent license and the enterprise economic performance, and there is a negative correlation relationship between enterprise economic performance.