合芜蚌技术创新效率动态评价与影响因素研究--基于改进的DEA-Tobit两步法分析
합무방기술창신효솔동태평개여영향인소연구--기우개진적DEA-Tobit량보법분석
The Dynamic Evaluation on Technological Innovation Efficiency and the Study on Its Influencing Factors in He-Wu-Beng Independent Innovation Pilot Area-Based on Improved DEA-Tobit Two-stage Model