Gstach D (1995). “Comparing Structural Efficiency of Unbalanced Subsamples: A Resampling Adaptation of Data Envelopment Analysis.” Empirical Economics 20(3): 531.
Gstach D (1995). “Comparing Structural Efficiency of Unbalanced Subsamples: A Resampling Adaptation of Data Envelopment Analysis.” Empirical Economics 20(3): 531.