Abstract
In water shortage regions, water rights trading would be much useful for increasing water use inefficiency through changing users’ water demand. In this study, a water optimal allocation modelling system is proposed by considering water rights trading and other governmental policies such as water prices, water savings and industrial policies. An agent-based model was developed to describe the behaviors and goals of individual agents using complex adaptive system theory, information transfers, and functional mechanisms between agents. The developed model was applied to Bayannur City, which suffers from severe water shortages. The water prices for different industries, the water rights transaction price, and the behaviors of various agents in 2020 were forecasted. The results reveal that the water resources optimal allocation model applied in this study can help realize the reasonable allocation of regional water resources under limited water supply. It is also valuable to guide the government in making water resources allocation policies and provide a practical reference for the formulation and adjustment of a water market transaction price.
Highlights
With the development of economic and society, more and more water resources has been exploited to meet human being demand through digging wells, constructing reserviors, building water diversion channels for regulating water resources within a river basin or among river basins, and so on
The water rights of primary, secondary, and tertiary industry can be traded in the water market after allocating the initial water rights to each agent, and the water trading price is ph, which represents the stable water price in the water market
As the above analysis is based on ideal economic agent equations, it assumes that the behaviors of water consumption agents merely comply with the constraint of achieving maximum economic benefits
Summary
With the development of economic and society, more and more water resources has been exploited to meet human being demand through digging wells, constructing reserviors, building water diversion channels for regulating water resources within a river basin or among river basins, and so on. Integration of economic efficiency and environmental and social benefits in the administrative region need to be taken into consideration when government plays the main role in water management [31,32]. Under this condition, possible factors such as initial water rights, water prices, water rights trading systems, water savings and multi-objective optimization should be discussed and considered further. As an extension of the previous studies, the objective of this research is to develop a model for optimal water allocation through incorporating water rights trading and governmental regulation policies (water prices, water savings, and industrial policy) to regulate water demand. Maximizing comprehensive economic, social, and environmental benefits in the administrative region; determining water prices for different industries to satisfying the governmental planning objectives; evaluating economic benefits for each industry; identifying the influence of macro policies, initial water rights, water prices, and the water rights trading on the government-dominated administered system
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