关键词: 中国高铁 , 企业创新 , 知识溢出 , FacetoFace理论

Abstract: In this paper, we carried out a theoretical analysis based on FacetoFace Contact Theory with the perspective of knowledge spillover, and pointed out that CHSR created convenient transportation conditions for enterprises to searching appropriate partnering companyIn the empirical analysis part, we tested CHSRs policy effects, function mechanism and economic consequences by applying data of Ashare companies in SSE and SZSEThe conclusion indicated as followCHSR had raised enterprises innovation output measured by patent authorization quantityThis effect was still significant in bandwidth sensitivity testing and discontinuities placebo testing, but showed heterogeneity among different scales of enterprisesThe economic consequences analysis which applying TFP to measure enterprises production efficiency indicated that CHSR had improved the marginal contribution of enterprises innovation output

Key words: CHSR, enterprise innovation , knowledge spillover , facetoface contact theory