上市公司R D投入与其成长的相关性研究

摘要

In this paper we choose Shanghai A shares of small and medium-sized plate of 55 listing corporation as data sa-mple. And the data information is from 2011 Annual Report. And choose10 indicators from the ability of debt repayment , assets operation. Then use the factor analysis method to study the company's growth , resulting in the growth of the company's score. At last, we choose company's growth score as the dependent variable, R&D investment and technical personnel input ratio, tech-nical personnel quality as independent variables and use regression method to research the mathematical relationship. Between listing corporation R&D inputs and its growth. The conclusions are as follows , the effect of R&D intensity on the growth of enterprises is positive, the correlation coefficient is 2.2373, to illustrate the great effects, technical staff ratio of investment on firm growth is positive, the correlation coefficient is 0.72 indicate that it has certain stimulative effect, but the effect is small. However, there is no linear relationship. Between the quality of technical personnel and the growth of enterprises.%本文采用上证A股中小板块的55家上市公司所披露的2011年度报表信息为数据样本，并从偿债能力、资产运营能力、发展能力和盈利能力四个方面的10个指标通过因子分析法来研究公司的成长性，从而得到公司成长性的得分。然后，以公司成长性得分作为因变量，以R&D投入强度和技术人员投入比率、技术人员素质为自变量通过回归法研究上市公司R&D的投入与其成长的数理关系。通过研究得出以下结论：R&D强度对企业成长性的影响为正，相关系数为2.2373，说明影响较大；技术人员投入比率对企业成长影响为正，相关系数为0.72，说明具有一定的促进作用，但作用效果与R&D强度相比小的多；但技术人员的素质与企业的成长不存在相关性。