源于区位与城市政治级别差异的经营效率及创新效率背反--基于SBM 模型的我国国家级高新区效率解构
원우구위여성시정치급별차이적경영효솔급창신효솔배반--기우SBM 모형적아국국가급고신구효솔해구
The Antinomy Between OE and IE in View of Locations and City Political Levels--An Empirical Analysis about the NHTIDZs Based on SBM model