Abstract
The networking industry as a strategic new industry has attracted academic attentions. This paper conducts a research on the operational efficiency of 46 IoT companies based on the statistical data of 2007–2009 by using DEA method. And it analyzes the regional difference and the development balance from the perspective of industry chain. The empirical results show that: the overall operational effectiveness of IoT companies is efficient, but there is significant regional difference and some of the development of the industrial link is uneven.
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