目录摘要.....................................................................2abstract..................................................................3正文.....................................................................4一、绪论.....................................................................4二、文献综述.................................................................4三、研究设计.................................................................5（一）研究假设............................................................5（二）样本选择和数据来源..................................................6（三）变量定义............................................................61、解释变量..........................................................62、被解释变量........................................................8（四）模型构建...........................................................8五、实证分析.................................................................8（一）企业研发投入与业绩相关性的描述性统计...............................81、研发投入强度与净利润率的相关关系分析.............................82、研发人员所占比重与净利润率的相关关系.............................9（二）企业研发投入与业绩相关性的多元回归分析.............................9五、研究结论.................................................................10（一）研发投入强度中等，且存在下降趋势...................................11（二）研发效果不显著，部分企业减少研发投入...............................11（三）加大研发投入，获取优势技术.........................................11参考文献.....................................................................12致谢.........................................................................13附录一.......................................................................14附录二.......................................................................16附录三.......................................................................18附录四.......................................................................20摘要在飞速发展的经济条件下，对于优势技术的开发成为企业稳定和发展的支撑，它使得企业在新的市场竞争中拥有不可替代的优势，更能让企业获得更大的效益。那么研发资金投入与研发人员投入给企业带来的经济效益如何，成为了企业关注的问题。本文基于对医药制造业对于企业研发投入与企业绩效进行研究，研究问题主要有企业研发投入促进企业发展的程度怎样？研发投入获得收益的时间是马上就获得收益还是一段时间后才能获取收益等？本文采用一元线性回归结合多元线性回归的方法，对企业研发投入强度与研发人员比重两个指标与企业净利润率进行回归分析。鉴于数据的有限性，本次研究中能获得的数据较少，研究结果存在一定误差。由分析结果我们认为：我国的医药制造上市公司研发投入强度、研发人员比重与绩效存在显著的正相关关系，研发强度对企业的业绩影响不存在显著的滞后效应。关键词：研发投入企业绩效滞后效应abstractUndertheneweconomicsituation,thedevelopmentoftechnologyadvantagesbecomegrowingpowersource,itmakesthecompanyhaslong-termadvantagesinthemarketcompetition,greatereconomicefficiency.SotheeconomicbenefitsofR&Dinvestmentonhowtobecomeaproblembusinessconcern.BasedonthepharmaceuticalmanufacturingindustryforR&Dinvestmentandperformancestudies,researchproblemsarehowtopromotethebusinessdevelopmentlevelofR&Dinvestment?R&Dinvestmentbenefitofthetimeimmediatelybenefitortoobtainbenefitsafteraperiodoftime?Inthispaper,alinearregressionmultiplel...
