Taking the relevant data of industrial enterprises above designated size in Zibo City from 2011 to 2021 as the research carrier,its R&D investment characteristics were analyzed.Entropy method was used to evaluate the quality of R&D investment in industrial enterprises above designated size in Zibo City,and an obstacle model was introduced to identify the main obstacle factors.The results the quality of R&D investment in industrial enterprises above designated size in Zibo City shows a fluctuating upward trend,the significant improvement in investment quality is the scale of R&D activities,and R&D investment capacity has declined slightly.The R&D investment structure has surpassed the R&D investment capacity and become the primary factor affecting the quality of R&D investment,indicating that the R&D investment of industrial enterprises above designated size in Zibo City is shifting from scale investment to quality investment.Basic research has become the main obstacle to the high-quality R&D investment of industrial enterprises above designated size in Zibo City,and the degree of obstruction is rapidly increasing.R&D personnel and R&D investment intensity are ranked second and third respectively,the obstacle degree of applied research which ranks fourth has an obvious increasing trend in recent year.
万方数据