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In recent years, under the action of multiple stress factors, such as global change, ecological function decay, extensive production, natural disasters and sudden environmental events are showing a rising trend , the ecological high-risk characteristics which is an inevitable process of industrialization is initially apparent in our country. So that, based on the analysis of regional ecological carrying...
Facing the great challenge of global warming, major developed country and regions have achieved social consensus of developing low-carbon economy. Low-carbon economy will not only be the direction of the future world economic development structure, but also one of the new pillars of the world economy. To take a commanding point in the global economic competition, China needs to understand the serious...
City eco-security early-warning evaluation indicator system of Liaohe River watershed based on Pressure-State-Response (P-S-R) was established, and on the basis of which, city eco-security early-warning model of resources-population-economy-society-environment composite system was built in this paper. This research adopts a combination assessment methods, simulates a series of eco-security early-warning...
The deterioration of ecological environment has aroused broad attention. This paper constructed an urban ecological security warning assessment index system. The index system was composed of vigor, organizational structure, resilience, maintenance of ecosystem service and human health. Then it established an assessment model of urban ecological security warning based on fuzzy matter-element theory...
Over-development of fictitious economy may produce bubble capital and bubble burst can induce financial crisis. The Granger cause of the representative variable of real economy to the variables of fictitious economy in China is tested and the bubble expansion rate of each period of China's fictitious economy is calculated by the quarterly data from the second quarter of 1998 to the forth quarter of...
Customer privacy protection is very important in an e-commerce site. Without such protection, the customers may not be willing to provide personal information or conduct business at the site. Therefore, the merchant should protect its customer information in order to gain customer trust. In this paper, an approach for protecting customer information on shared servers is presented. The proposed method...
The land is foundation of human survival and development, land sustainable use is related to human survival and development. Taking Daqing City as an example, the paper constructs evaluating indicator system basing on the characteristics of Daqing's land. Combining the entropy theory and the matter-element to construct the evaluate model, the paper evaluates the land sustainable use degree with macroscopic...
The difference between the risk free euro yield curve and the model-based, derived euro yield curve for Croatia, based on the euro bonds of the Ministry of Finance in the time dimension is the credit risk premium for Croatia. Country risk existence is a necessary category in assets valuation, capital budgeting, capital cost calculation, investment opportunities measures, developing of internal economy...
According to pension's structure composed of basic pension and personal-account pension, the paper builds pension replacement rate models respectively, and analyzes replacement rate's key factors-wage growth rate, interest rate and fee-contributing year by elasticity-analysis. Aimed at ensuring retirees' approximately quite living standards pre and post the retirement and stationary operation of pension...
Based on the value of shareholder as the center of the performance evaluation method of EVA, to overcome the traditional indicators of business performance evaluation, there was no consideration of capital costs, net profit for the formation of the misunderstanding is that profit. In this paper, empirical, calculating the study in 2009 listed companies in China's tourist EVA, and comparising with...
China's fictitious economy has been developing rapidly since 1990. Rapid expansion of scale of fictitious economy can make positive or negative impacts on real economy, so it needs to prevent over-development of fictitious economy taking negative influences to real economy. The coordination state of China's fictitious economy and real economy has been analyzed by grey correlation model based on the...
The ideas of cutting down interest rates to curb savings and promoting consumption is important for the implementation of macroeconomic policies. This paper establishes savings rate regression model and analyses the influence of interest rates on China's household savings since 1988. The study has found the impact of interest rates on household savings is uncertain, so it will be over-simplified if...
The cost of commercial intermediation (CCI), companying with trade, one of the most common economy activities and permeates the market everywhere, effects the economy enormously, while it may be changed as the web based new trade style adopted. This paper focuses on these changes which will account for the lower CCI, and moreover result in the increased trade amount and decreased price. Using the...
During recent years, urban ecological deterioration and environmental pollution are getting worse. Assessment of urban ecological security has become an important area in geoscience, resource and environmental science, ecology and ecological economics. This paper constructed an assessment index system of urban ecological security. The index system was composed of ecosystem pressure, ecosystem state...
Economic security has been a serious problem which threatens and hampers the sustainable growth of the economy. The paper sets up appraising indicator system of economic security on the basis of PSR model, and researches economic security for 21 coal cities by using BP artificial neural net. As innovation of researching economic security, BP artificial neural net has the better ability in level identification,...
Presently, the research of commercial insurance and social insurance lies in treating two parts as separated elements and the realization of the balanced development in different fields. However, the problem is that the relationship is neglected, which is very important in analyzing the research. The paper aims at a new conclusion overcoming the mentioned shortage. It concludes an interior mechanism...
Based on the theory of complex system brittleness, this paper focuses on analyzing the causes of financial system's brittleness and holds the idea that the outbreak of brittleness is the root cause of financial crisis. By analyzing the financial brittleness potential function model and studying the brittleness critical points on which catastrophe of the financial system was triggered in quantitative...
The disparities among our country mortality rates per million tons in coal mine and other main mining countries is great, so the coal mine safe production becomes the noticeable questions, which keeped an eye on by the community more and more. Same as other industry profession safety, the coal mine safety has close contact with national economic development in addition to the safety engineering technology...
In order to manage urban ecosystem effectively, it is necessary to develop a comprehensive evaluation of urban ecological security. Ecological security evaluation index system of typical resource-exhausted cities composed of resource, environment, economic and social subsystem was set up. Urban ecological security evaluation model based on attribute recognition theory was established. The model was...
If companies wish to safeguard their value chain, they should invest with the singular goal of securing revenues by taking adequate risk countermeasures. However, the investment in the risk countermeasure must be reflected in the adequate safeguarding of the value chain. In other words, the investment in the safeguarding, e.g., implementation of an ISMS based on ISO/IEC 27001:2005, must be comparable...
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