This paper analyzes the impact of corporate green technological innovation which is based on internal and external environmental factors, using hierarchical clustering approach to building a multi-index system. Evaluation index system for the various environmental factors inherent in the ambiguity, the use of rough set theory set a new business model for green technology innovation and environmental assessment. The model overcomes the traditional rough set model calculation bottleneck. Empirical studies demonstrate that the proposed index system and evaluation model have effectiveness, relevance and objectivity.
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