以2012-2014年71家IT行业上市公司为研究样本,建立模型并运用相关性分析和回归分析,分析研发费用对企业价值的影响。研究结论认为:2012-2014年IT行业研发费用数额增长迅速;研发费用与企业价值呈正相关关系,对企业价值的影响持续加强;研发费用与企业价值具有明显的滞后效应。 Taking the 71 listed companies in IT industry from 2012 to 2014 as the research sample, the paper establishes the model and uses the correlation analysis and regression analysis to analyze the impact of R & D cost on the enterprise value. The conclusions of the study are as follows: The amount of R & D expenses in IT industry increased rapidly in 2012-2014; the R & D expense positively correlated with enterprise value, the impact on enterprise value continued to increase; and the R & D expense and enterprise value had obvious lagging effect.