农村养老保险覆盖面投入产出效率评估与影响因素分析——基于DEA与Tobit两步法
농촌양로보험복개면투입산출효솔평고여영향인소분석——기우DEA여Tobit량보법
The Input-output Efficiency Assessment and Influential Factors Analysis of Rural Pension Coverage in Rural China --Based on the Two-step Method of DEA and Tobit