机译:中国区域研发价值链规模效率:双前沿网络DEA方法
Nanjing Univ Aeronaut & Astronaut Dept Math Nanjing 210016 Peoples R China|Tishreen Univ Fac Sci Dept Math Stat Latakia Syria;
Nanjing Univ Aeronaut & Astronaut Dept Math Nanjing 210016 Peoples R China;
Karlsruhe Univ Appl Sci Fac Comp Sci & Business Comp Syst D-76133 Karlsruhe Germany;
Univ Sci & Technol China Sch Management Hefei 230026 Peoples R China;
Data envelopment analysis; scale efficiency; optimistic-pessimistic efficiency; double frontier approach; RD;