Analytical study on Protective Price of water trading for valley city

Abstract

At present, the problem of basin water environment is pretty austere and the disorderly construction of urban sprawl along basin brings more and more serious harm to the basin water environment, which has already became the important restriction factor for development of the economy and society in China. From the perspective of modern property right economics, the most effective economical method to solve water shortage and pollution discharge problem is to establish perfect water trading market. The article studied the water trading price in market mechanism, used the related principle of environmental economics, put forward the concept of the "Protective Price", which is the minimum price for water trading. We used the fuzzy mathematics, the model of C-Q-S and water pollution loss to calculate water engineering price, water environment price, water resources price, the investment costs of pollution control and the economic losses of water pollution. The research is the basis of the establishment of the generalized water trading market for valley city, determines the reasonable water trading price and guarantees to achieve the winwin result of environment and the economical for buyers and sellers, and provides the reference for optimizing the distribution of water resources in basin, controlling emissions of pollutants, increasing the environmental protection achievements, promoting the coordinated development of water environment and economic in basin. © 2011 Published by Elsevier Ltd.