摘要
以2010-2014年深交所中小板上市公司为样本,对研发投入与企业盈利能力间的关系进行实证研究,并分行业对国证分类下原材料行业、工业行业、消费行业、医药卫生行业、信息技术行业分别进行当期回归和滞后回归分析,结果表明中小板企业研发投入整体呈上升趋势,总体上研发投入强度与盈利能力正相关,但不同行业研发投入强度与盈利能力的相关程度与大小不同。研究结果对企业改善研发投入结构有着一定的借鉴意义,不同行业应制定不同的研发战略。
Using the enterprises listed on SME Board in the Shenzhen Stock Exchange from 2010 to 2014 as the research object,the paper makes an empirical study on the relationship between RD investment and the enterprises＇ profitability.According to the standard of the industry classification,it makes the current and lag of regression analysis on the material industry,industry,consumer industry,medicine and health care industry,information technology industry respectively.The empirical results show that when the RD investment is on the rise,it has positive correlation with the enterprises＇ profitability as a whole.But the rate of the positive correlation varies.These conclusions will provide instructions for enterprises to improve their RD investment structure,and different industries should set up different RD investment strategies.
出处
《萍乡学院学报》
2015年第4期17-21,共5页
Journal of Pingxiang University
基金
江西省社科规划项目(13GL14)
关键词
中小板企业
研发投入
盈利能力
滞后性
the enterprises listed on SME Board
R＆D investment
enterprises＇ profitability
lag
