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Lake eutrophication due to the accumulation of nitrogen and phosphorus has recently been identified as one of the great threats to water quality in lakes. In this paper, we developed a multi-sectoral dynamic applied general equilibrium model (MDAGEM) to explore the strategies to reduce the emission of nitrogen and phosphorus at the catchment extent. A case study was conducted in the Lake Wuliangsuhai...
The 3rd-party payment accelerates the development of electronic payment. It provides a successful solution to two base problems that restrict the development of e-commerce for a long time in China, on-line payment and creditability. Using models and theories of game theory, the paper analyses the co-operative relationship between bank and 3rd-party payment. There are two steps to analyze the issue...
The paper illustrates the process of the online virtual currency operation. It focused on the risk link of the virtual currency. By an investigation among network companies, E-payment companies and banks, the paper pointed out the regulation of the online virtual currency should be on the both- way exchange.
With the activities in the online virtual world becoming more and more complex, online virtual world seems to have developing into a virtual economy. This article develops a gross replacement model to analyze the effect of online virtual activities on the macro-economy. We propose that virtual activities, which include in-world activities and inter-world activity, do generate economic value and affect...
On-line virtual games and community have becoming a new way of entertainment and networking. As people exhibit different activities in the virtual world as the real world, obsession in virtual world enjoyment might seems to reduce peoplepsilas time on real life consumption, job, which seems to jeopardize their job performance and curtail the revenue generated from the real world. This article tried...
With the further application of Internet virtual money, the problems related to the Internet virtual money have been becoming the centre of attentions from financial community to scholars and from Internet service providers to the customers. Especially the challenge of the Internet virtual money to the traditional electronic payment (including e-commerce), this article will give a relational graph...
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