The government, scientific research organization and enterprise always focus on aquatic products price, because which play an important role in development of fishery economic and international trade in China.

An analysis of product price and brand effects under the catastrophic model;

Under the condition of a constant delivery period of monopolist manufacturer, this paper studies the product price and profit problems, using linear demand function, before and after the vertical merger of monopolist manufacturer and monopolist retailer.

The paper analyzes the influence of the main economical technical parameters,such as mining method,production capacity,ore dressing recovery percentage,grade distribution,production cost and product price,on the determination of cutoff grade.

In this article, we construct an example that using the models of the stochastic behavior of mineral prices which are geometric Brownian motion and/or mean\|reverting progress instead of flat\|price, which shows mineral price volatility has a great effect on mineral property valuation.

Before the system of mineral title possession paid established,local governments had spent considerably amount of labor,material,money supervising "three rates index",but its effects were nearly indivisible and the price of mineral products was seriously transformed as well.

The thoughts on the rising price of agricultural products;

This is the result of many reasons,such as changes of character and price of agricultural products in world’s agricultural commodities market,changes of the cost of agricultural.