Journal of Productivity Analysis. 2012;38(1):11-28. doi: 10.1007/s11123-010-0201-3 Q21.82025
Stochastic non-smooth envelopment of data: semi-parametric frontier estimation subject to shape constraints
随机非光滑数据包络：基于形状约束的半参数前沿估计方法
DOI: 10.1007/s11123-010-0201-3
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