Research on high-tech enterprises secondary innovation by technology import in china-based on technology diffusion and space dependence

This paper based on provincial panel data of high-tech enterprises in China and spatial model, selects new product sales revenue and licensing authorized patents as dependent variables, selects R&D internal expenditure, introduction of technology, domestic technology purchasing, input of renovation and full time equivalent of R&D personnel as independent variables. It analyzes the contribution to the technology output. The results show that R&D internal expenditure is the main method of innovation, introduction of technology can't bring about secondary innovation. Technological innovation has obvious spatial effect and the efficiency of R&D personnel needs improving.