Intensity of environmental regulation and environmentally ...
2021-4-1u2002·u2002We draw vertical lines from the Euclidean center in period s to axis X, axis B, and axis E.The lengths of the vertical lines are a, b, and c, respectively (not shown in the Fig.).The lengths of the joints of the three vertical lines and the production frontier to the coordinate axis are d, e, and f, respectively (also not shown in the figure). Based on the slack-based measurement (SBM) …
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