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针对不同产权制度下医药制造业FDI溢出效率存在差异这一问题,利用2001～2006年不同省份医药制造业面板数据,先建立动态面板数据模型,然后采用广义矩估计对模型参数进行估计,并对估计结果进行了验证。实证结果表明:FDI对不同所有制医药制造企业均存在负溢出效应,在考察技术差距以及技术差距与吸引外资的关系时,发现不同所有制企业存在较大的差别。
Aiming at the difference in the spillover efficiency of FDI in pharmaceutical manufacturing under different ownership systems, a dynamic panel data model is established by using the panel data of pharmaceutical manufacturing in different provinces from 2001 to 2006. The GMM is then used to estimate the model parameters. The estimation results have been verified. The empirical results show that FDI has a negative spillover effect on different ownership pharmaceutical manufacturing enterprises. When examining the technology gap and the relationship between technology gap and foreign investment attraction, we find that there exist large differences among different ownership enterprises.