Abstract：The paper makes a combination of Coase transaction cost analysis method and capability theory to analyze the logic formation,driving force mechanism and mode selection of R&D externalization in Chinese enterprises.In the short run,R&D externalization helps to obtain comparative advantage by lowering internal cost and scale effect;in the long term,manufacturing enterprises use R&D finite externalization to improve independent innovation and obtain competitive advantage.Through comparing the cost with external market transactions and internal R&D,the paper concludes that searching cost,protection fees of intellectual property rights,the cost of knowledge integration and technical risk factor are the influencing factors for R&D internalization
2015, 
