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This paper explores the synergy effect of the government subsidies, tax incentives, and government procurement on innovation based on synergy theory, and further analyzes its path and mechanism in the process of innovation. We find that government subsidies, tax incentives, and government procurement exert positive synergy effect on innovation. Furthermore, in the process of innovation, government subsidies are shown to play strongest roles in the stages of innovation input and technological development, while government procurement is the most crucial in the transformation stage of technological innovation, and tax incentives play balanced roles. We also find that innovation resource input, innovation technology spillover, and innovation cooperation all play partial mediating roles in the synergy effect of science and technology policies on innovation. This paper applies the synergy theory to the field of innovation policies, which enriches and expands relevant researches, and provides micro-evidence for in-depth understanding of the effect of science and technology policies on innovation. [ABSTRACT FROM AUTHOR]

In China the use of public procurement as an innovation policy instrument has been closely associated with the drive to promote indigenous innovation. Implementation was largely through the use of catalogues intended to signal and to formally accredit the supply and demand of technologically-oriented products. This paper reviews these experiences by examining the wider context and three case studies. Accreditation is shown to carry a risk of protectionism. Signaling performs a function analogous to a technology roadmap and was assisted by giving listed technologies priority for public procurement. For both types of instrument the intended mechanism did not work as planned but the broader role they sought to fill was an important factor in bringing innovations to market. The appropriateness and effectiveness of such instruments are shown to be dependent upon the state of both the innovation and the procurement systems in which they are set. [ABSTRACT FROM AUTHOR]