In this paper, 44 listed A-share household electrical appliance enterprises are used as samples, using a three-stage DEA method. The purpose is to remove the factors that affect the input variables, and then evaluate the technical efficiency of the company. The effect is significant in the removal of the environment and random factors; the pure efficiency of about 0.1 points to enhance, while the scale of efficiency has a very large decline in the proportion of 0.5 points down, before and after a great change. This shows that the removal of the environment and random factors to examine the operating efficiency of listed home appliances is necessary.
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