中文摘要：

1994年分税制以来，中国地方政府债务迅速膨胀，债务增长的动因成为当前学术界讨论的热点。在理清预算支出、经济增长与地方政府债务关系的基础上，以西部某省1995～2009年的数据进行实证研究，结果表明：预算支出扩张是导致债务增长的直接原因，而经济增长预期是债务迅速扩张的根源，但实际上，地方政府债务对经济的拉动作用并不明显，在长期内甚至出现抑制现象。因此，控制地方政府债务膨胀和防范债务风险，除了要规范地方政府举债行为外，还要提升债务资金的使用效率。

英文摘要：

Since the tax -sharing system from 1994, the debt of Chinese local government has increased rapidly, and the motivation of debt increase has become the hot topic of the academic field. Based on the analysis of budget expenditure, economic growth and debt relations of local government, an empirical study is made by using the data of a western province from 1995 to 2009. Research shows that budget expenditure expansion is the direct motivation of debt increase, and economic growth expectation is the root of the fast debt increase. In fact, local government debt can hardly push forward the economy, and even restrict the economic growth in the long run. Therefore, to control local government debt increase and defend debt risks, the borrowing behav- iors of local governments should be regulated and the application efficiency of debt capital should be further improved.