DEA of safety efficiency of coal groups nowadays

YANG Guang-jun, WANG Li-jie. DEA of safety efficiency of coal groups nowadaysJ. CHINA MINING MAGAZINE, 2007, 16(12): 23-25.

Citation:

YANG Guang-jun, WANG Li-jie. DEA of safety efficiency of coal groups nowadaysJ. CHINA MINING MAGAZINE, 2007, 16(12): 23-25.

Citation:

YANG Guang-jun, WANG Li-jie. DEA of safety efficiency of coal groups nowadaysJ. CHINA MINING MAGAZINE, 2007, 16(12): 23-25.

Abstract

In the paper, DEA(Data Environment Analysis)is used to analyze the safety efficiency of coal groups nowadays. We attempt to find the success and deficiency in the course of development. And the result about these units' safety efficiency can be guide for groups developing.

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