Linear programming optimization function is adopted to calculate excess commuting of all households and subgroups divided by household structure, housing types and job types of the head and so on.

From the issue of residence and workplace spatial organizing, the related literatures of urban commuting including related theories and models, the spatial and social factors of commuting behavior, excess commuting and spatial mismatch etc.

On the basis of investigation of inhabitant trips,the article uses the related information such as the proportion of commuting tool and distance characteristic of commuting tool to elaborate the commuting tool characteristic.

As a main character of urban daily traveling, rationality of commuting spacial organization determines traffic organization in a certain extent.

Using the data of 1,000 questionnaires, the authors try to analyze the behavior of intra-urban migration and residential suburbanization, the second house and seasonal suburbanization, and other correlative spatial behaviors including commuting, traveling and shopping of urban residents in the process of suburbanization in Beijing.

On the Reasons of Macroeconomy Total Output Surplus;

Recent years has seen periodic surplus of refining capacity in Asian Pacific region.

In this article,Bruno production function is selected for the two step analysis of the Chinese agricultural output,which has taken the country s surplus labour force and its transfer into full consideration.

There is no doubt that Chinese economy has to face a fact------excess liquidity now.

After that, Japan take measures to encourage foreign investment and make yen internationalized which, to some extent, ease the situation of excess liquidity.