As the main channel for enterprises to seek fund to make long-term investment, commercial banks are adversely affected by credit insecurity.

From the listed above, we found the long-term investment of the state-owne.

The treatment of long-term investment is different from that stipulated in Accounting Regulations in Limited Companies.

The result of an empirical analysis shows that the marginal contribution of investment growth on GDP growth weakens gradually as the degree of marketization and the level of economic development increase.

The theoretical model of the relationships between saving growth, investment growth and economic growth is established by synthesizing the existed economic theories and the china s economic realities, and its conclusions are compared with the results from the empirical study using Granger causal test.

With investment growth and technical progress,the over-supplied and shortage of employment will coexist.

Analytical methods of net cash value are established by the degree of risk for the decision of long term investment, and an application example is descussed.

According to analysis on literatures of research on farmers production investment behavior,this paper classified farmers production investment into agricultural long term investment and shot term investment,because we thought that agricultural long term investment has heavy impact on rural economic and continuous development of agriculture.