中文摘要：

本文从本土和外资企业的不同视角，实证研究了中国省份地区间的市场分割对企业出口的影响。本文发现，市场分割确实激励了本土企业的出口。而且，市场分割程度越高的省份和地区，生产效率越低；创新能力低以及资本密集度高的本土企业偏向于出口。相反，外资企业出口并不受到市场分割行为的影响。外资企业中创新能力强、生产效率高的企业偏向于在中国本土市场进行销售，这表明外资企业利用了中国迅速成长的本土市场需求空间获得发展机会。由此，有可能造成、强化乃至固化了中国市场上外资企业和本土企业之间显著、持续的竞争力差距，进而制约本土市场上中国本土企业的发展。

英文摘要：

From the different viewpoint between local firms and foreign-owned firms in Chinese home market, the paper analyses how domestic market segmentation （DMS） to influence in firms＇ exporting. We found that DMS enhances local firms＇ exporting and in those provinces in which the degree of DMS is deeper the local firms which have lower productivity and R＆D ability and higher capital intensity are potential to exporting. On the contrary, For- eign-owned firms＇ exporting is not suffering from DMS. More found is those local firms whose R＆D ability or pro-： ductivity is lower are potential to exporting and foreign-owned firms whose R＆D ability or productivity is higher are potential to sale in Chinese home market. Therefore, foreign-owned firms rely on rapidly increasing home market to get developing opportunity, which made the gap of competitive ability between local firms and foreign-owned firms. Moreover, local firms＇ developing ability in Chinese home market was limited.