There are three flaws in the formula for simple commodity circulation "W-G-W"——also known as the formula for small commodity producers\' manufacture and management——and in the explanation summarized in the traditional political economics.

Compared with Moose s and Feng s bounds,this simple formula provides both easy and precise calculation for NIP.

Actually,as long as we can turn difficulty to easy,change a way of thinking,the simple formula also can prove it.

Analysis of the Change and Developing Trend of Commodity Circulation In China;

Commodity Circulation in Customs-house of Yangzhou in Earlier Stage of Qing Dynasty

Study on fuzzy control theory applying in circulation of commodities;

In Ming Dynasty, Huai an was a well-developed city in circulation of commodities, thus becoming a very important city of trade on the seacoast of the canal, which was closely related to the convenient transportation between the south and the north.

In order to maintain the order of the circulation of commodities, the state has adopted two different models to control the circulation of commodities:the administrative control model of the planned economic system and the legal control model of the market mechanism.

The Relationship between Urbanization and Merchandise Circulation: Theoretical and Positive Analysis;

, the mode for the merchandise circulation, which is the way for the merchandise to enter into the consumption field from the production enterprises.

Rebuilding Situation of Distribution of Our Province with Information Technology;

The formative elements of distribution modernization are manipulated by two factors-intension and characteristic of distribution modernization in China.