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In this paper,IT Industry’s innovation capability is considered to be the innovation output capability after complex operation of industry input in industry system.In this complex process,R&D personnel input and R&D expense input are un-substitutable,and for evaluation of innovation capability,innovation input and innovation output also are un-substitutable.Based on this theory,an evaluation model of sustaining strength index is put forward.Considering both input scale and output contribution of IT industry’s innovation system,this model reflects the un-substitutability of every evaluation aspects.The measurement result not only shows the industry innovation capability,but also reflects the support degree to economy.At last the data of IT industry in China are provided between 1994 and 2004 for empirical study.
In this paper, IT Industry’s innovation capability is considered to be the innovation output capability after complex operation of industry input in industry system. In this complex process, R & D personnel input and R expense investment are un-substitutable, and for evaluation of innovation capability, innovation input and innovation output also are un-substitutable.Based on this theory, an evaluation model of sustaining strength index is put forward. Consumption of both input scale and output contribution of IT industry’s innovation system, this model reflects the un-substitutability of every evaluation aspects.The measurement result only not shows the industry innovation capability but also reflects the support degree to economy .At last the data of IT industry in China are provided between 1994 and 2004 for empirical study.