An Integrated Slacks-Based Measure of Super-Efficiency …
Of the 32 paper mills, only three mills, named mills 9, 12, and 25, are identified to obtain super-efficiency scores and they are ranked as the top three accordingly. For example, mill 9 and 12 get super-efficiency of 1.0734 and 1.4546, respectively, due to that the scaling factor of output surplus in one good output (paper) is 0.0734 and 0. ...
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