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Coal resource plays an irreplaceable role in economy development, which decides the importance of coal mine investment. The influencing factors of coal mine investment are complicated and diversified, so the valuation should be flexible. In this paper, firstly, the concept and classification of real option are introduced. Then, combining to the compound binomial tree for stages, the principle and...
This paper indicates the immanent conflict between the way of watershed management and prevention of sudden Water Pollution Accidents in our country. For this reason, a new concept "Trans-boundary Sudden Water Pollution Accidents" has been proposed, and on the base of its characteristics, forecasting mechanism has been researched. On the base of PSR model, we choose 9 forecasting indexes...
Urban flood control layout, based on which urban flood control engineering projects are constructed, will be synthetically evaluated taking into consideration the social, political, economic, environmental and technical factors involved in different levels. Furthermore, a hierarchical structure model for urban flood control layout is presented in this paper. Then a grey-AHP model is proposed based...
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