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As new and more sophisticated computer attacks appear across the Internet, sometimes with unknown dimensions and criticality, the implementation of individual security solutions become less effective and in some cases useless. Instead, a combined approach is required to guarantee an appropriate and cost-effective mitigation of such attacks. Most of the current work suggests the deployment of multiple...
Based on the data covering from 2003 to 2009 of finance expenditure referring to social security individually province of china, this paper unfolds on the efficiency comparison of finance expenditure using DEA-Malmquist index decomposition method to analyze empirically the differences existing between provinces and economic area. And we find that the efficiency at whole level is low than that expected...
Revising the basic concept of transport corridor, it wound introduce its theory evidence for the network planning project. By analyzing the key issues affecting the shape and framework of transport corridor, five qualitative indices was put forward with each one's detail reference. Then seven groups of indices were found out with each formula by analyzing which one rational transport system should...
Quite a few of existing literatures focused on research the inner impact of capital structure on Institutional Investors' Stockholding directly. In this paper, we have made an empirical research on this topic based on Chinese listed tourism companies' data during 2005–2009. The results indicated: (1) institutional investors were willing to hold listed tourism companies' shares with lower asset-liability...
Taking into account the current social security fund primarily invested to stocks and bonds, we construct the portfolio based on Shanghai & Shenzhen 300 index and bond index on behalf of pension fund investment portfolio, compute the risk of portfolio based on dynamic diagonal BEKK-MGARCH, carry out Kupiec test, compare the result with CCC-MGARCH model. The result shows that dynamic diagonal BEKK-MGARCH...
The paper based on E-Commerce Websites to analyze its operation via operating circumstances, marketing achievements, consuming behaviors, valuing standards, the consumer's gratification and ECW operation, to present evaluating approaches so as to solve the problems from E-Commerce Websites enterprises and perfect E-Commerce Websites operating effects.
The Shanghai Stock Exchange restarts the warrants trading in 2005. And then warrants become the most dynamic financial derivatives of the securities market. This paper structures a metric of the effectiveness of the Warrant Creation Mechanism by principal component analysis and then tests it. The results demonstrate that the Warrant Creation Mechanism significantly affect the pricing efficiency of...
In the course of evaluation of coal industry security, determination of the index weight is the key problem to decide whether the evaluation result is scientific. Triangle-adjustable fuzzy number is adopted in this paper, which enhances the objectivity of evaluation. The multi-experts decision is made convergence twice by means of the clustering analysis theory. The first convergence eliminates abnormal...
This paper presents a multistage transmission expansion planning (TEP) which alleviates the level of transmission congestion during the planning horizon. Due to the combinatorial nature of the proposed TEP model, a Benders decomposition approach intertwined with a manipulated disjunctive model is applied to decompose the original TEP problem into a master problem and two sub-problems standing for...
According to the application practice of production and management in coal enterprises and the basic principles of establishing the evaluation index system of informationization, we designed the tentative evaluation index system of coal enterprise informationization first; and then we selected the indices and optimized the index system by using the principal component analysis method, establishing...
The purpose of this paper is to build an available model and framework from GRNN neural network to evaluation the impact of FDI (Foreign Direct Investment) on China's economy security. The method used in the study is known as factor analysis and GRNN neural network analysis. Examining 20 years' (from 1990 to 2009) data, we set up an index evaluation system. We then analyze Chinese 20 years economy...
This paper describes the financial situation of companies Hebei, based on the use of Altman's Z score model, and in 2010, Hebei 31 A-share listed companies as samples, the financial risk of their empirical research. The results show that, Z score model in the forecast financial risk of listed companies has a positive significance and for the future development of China's listed companies have an important...
The intention to build up Chinese Growth Enterprise Markets is to provide financing channel for small and medium-sized enterprises, thereby promote the small and medium enterprises to grow up and build up multi-level capital market system. To understand the financial condition of the listed companies on GEM, it makes analysis on asset-liability ratio, financial expenses and return on net assets and...
When the share rights concentration degree is high big shareholder will become the ultimate controlling owners of the listed company. This paper studies the preference of the directional add-issuance based on the realities of China capital market, and studies the effect of the historical performance, share rights concentration, asymmetric information, and operation risk on the re-financing options...
The time-varying relevant bivariant normal copula model is applied to study the comovement between representative warrants and their underlying stocks in Mainland China's stocks market. The results indicate that there's a quite strong positive comovement between the call warrants and the underlying stocks during the entire duration, while this comovement weakens on the last trading day; As for the...
Private Offered Fund develops very rapidly in China, it has become a very important part of financial market. It has important insignificant that study the risk system to steady the financial market of China. In this research, we established system of risk assessment of private offered fund in China and assessed the risk level of each indexes by using AHP-Fuzzy Comprehensive Evaluation Methods. The...
The aim of China's foreign exchange control is to ensure mobility and security, so U.S treasury bonds, which are always regarded as the best current assets in the global financial market, become the focus of our country's foreign exchange control. As the largest holder of U.S treasury bonds, China is in a dilemma. If China began to underweight U.S. treasury bonds, the sell-off may lead to herd behavior,...
Based on endogenous growth theory, this paper analyzes the effect on economic growth of national agricultural expenditure, compulsory education, health care and social security in rural area using the 1994 ∼ 2008 time series data. Through Co-integration test of the associated data combined with error correction model and state-space model, it shows: in the short term, agricultural expenditure has...
This thesis carrys out thorough investigation and discussion to the optimum savings ratio of our country economy making use of qualitative analysis. We put forward that the really savings ratio have exceeded the optimum savings ratio needed by balanced growth of our country economy owing to a series of unbalance in economy reality.Then,we built the economic model through demonstration analysis to...
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