This paper uses a panel data of 10 representative auto producers in China over the period 2000-2009 and applies the stochastic frontier production function model to investigate the efficiency of Chinese auto manufacturing. The empirical results suggest that during 2000-2009 automobile industry in China showed fluctuating trends; bus heavy truck producers achieved the highest technology efficiency followed by passenger car producers light truck agricultural vehicle producers were lowest. Producers in the eastern region achieved higher technical efficiency than those in central and western. As for factors affecting the technical efficiency high inventory too many R&D staffs and too large car production bring negative effects on the promotion of efficiency levels. Strengthening relationship with upstream suppliers and downstream customer can improve the level of technical efficiency.%本文以我国汽车制造行业为研究对象,选取10家具有代表性的汽车制造企业2000-2009年的面板数据,运用随机前沿分析(SFA)模型,实证研究了我国汽车制造企业的技术效率.研究结果表明,我国汽车制造业的技术效率总体呈波动趋势；客车、重卡企业技术效率最高,乘用车企业次之,轻卡、农用车企业最低；东部地区技术效率高于中部和西部；技术效率影响因素方面,库存过高、研发人员过多以及汽车产量过大不利于技术效率水平的提高,而企业与供应商和客户关系的加深,能提高企业的技术效率水平.
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