关键词: 内需 , 外需 , 扩大内需 , 长效机制

Abstract: By analyzing the meanings of domestic demand and expanding domestic demand, this paper found that expansion of domestic demand was based on the frame of expenditure accounts of GDP. The aim of expanding domestic demand was to increase the ratio of domestic demand by expanding the scale of domestic demand. Empirical study indicated that the decreasing domestic demand was caused by three factors, excessive increase of trade surplus, imbalance between investment and consumption, as well as institutional and mechanical factors. To establish longterm mechanisms of expanding domestic demand, this paper suggested setting up mechanisms of coordination of domestic and external demand, activating interaction of investment and consumptions, and increasing sustainability of both investment and consumption.

Key words: domestic demand , external demand , expansion of domestic demand , long-erm mechanisms