A new way for pricing commodity and evaluating profit of investment based on the partial distribution

Summary form only given. In the modern economical society, it is very important to foreknow the due market price of commodity like material object, derivation and the one exchanged on Internet, and the due profit of project investment. How does one know the price of commodity and the profit of investment and the risk of investment in advance? Up to now, many outstanding studies and works have been done for estimating and measuring of the price of commodity and the profit of investment. But, a kind of method is needed that is simple, convenient, practical and general. In this paper, the authors aim to develop just such a method.