To solve the problem of pricing to various consumers, we analyze the environment of Eastern Route market with multiresources and multi-users, design both combined and decentralized pricing models based on supply chain theory. Through comparison, we find that the fitness of the two models depends on the purchasing cost by retail to the agriculture users. Based on OA (operation research) and Eastern Route example, we also expand the model with constraints of floating and progressive price and analyze its validity by simulation.
Water pollution control is a systematic engineering which needs the whole society to participate in, especially the public participation. This paper develops a continuous-time differential game of water pollution control between government and the public with the consideration of dynamic change of pollutants in the rivers. The public determines participation efforts and the government determines its enforcement level. And we obtain a set of feedback Nash equilibrium for the problem. Through analysis on the properties of the equilibrium solutions, some results are derived: The efforts of public participation is positively related to the enforcement level of government; When the government gives a reasonable bonus to the citizens who do well in reporting pollution behaviors of entrepreneurs, increasing bonus will induce an increase of the efforts of public participation. Finally, we make some suggestions to improve the public participation efforts in the water pollution control. keywords-public participation; water pollution control; differential game; feedback Nash equilibrium I.
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