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Search Results: 1 - 10 of 14352 matches for " Shichang Shen "
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The Matching Uniqueness of A Graphs  [PDF]
Shichang Shen
Applied Mathematics (AM) , 2015, DOI: 10.4236/am.2015.68109
Abstract: In the paper, We discussed the matching uniqueness of graphs with degree sequence \"\" . The necessary and sufficient conditions for\"\" and its complement are matching unique are given.
ARIMA Model in the Application of Shanghai and Shenzhen Stock Index  [PDF]
Shichang Shen, Yue Shen
Applied Mathematics (AM) , 2016, DOI: 10.4236/am.2016.73016
Abstract: In the paper, based on the data of Shanghai and Shenzhen 300 stock index in 2011, the ARIMA model was established by using Eviews 6, and the historical trend of stock price was found out. The model was used to provide a reference for the investors.
Application of SARIMA Model on Money Supply  [PDF]
Shichang Shen, Shan Chen
Open Journal of Statistics (OJS) , 2017, DOI: 10.4236/ojs.2017.71009
Abstract: In the paper, the data of the narrow money supply of China from January 2005 to March 2016 as sample, \"\" model is established by using Eviews6.0. Upon inspection, the model has good fitting effect (MAPE = 1.09) and high prediction accuracy. According to the results of the model, the paper forecasts the development trend of the narrow money supply of China and puts forward some suggestions to provide reference for monetary policy of China.
Diversification, Specialization and Health Insurance Industry Development
—An Empirical Research Based on VAR Model
 [PDF]

Shichang Shen, Sheng Shao
Journal of Mathematical Finance (JMF) , 2017, DOI: 10.4236/jmf.2017.74046
Abstract: There is a closely interactive relationship among health insurance, life insurance, property insurance, accident insurance. Based on data from January 2006 to January 2017, we use VAR model to analyze the interactive relationship among health insurance, life insurance, property insurance, accident insurance empirically by Eviews 8.0. The results show that there is a long-term equilibrium and mutual causality among health insurance, life insurance, property insurance, accident insurance. From short term perspective, there are positive effects among the four major types of insurances. In particular, the promotion of accident insurance to health insurance is the most dominant, which will provide a powerful security to the diversified and comprehensive management and professional rapid development of health insurance.
The Influence of China Demographic Structure on Social Security Expenditure—Based on Panel Data Model  [PDF]
Shichang Shen, Ying Wu
Open Journal of Statistics (OJS) , 2018, DOI: 10.4236/ojs.2018.83036
Abstract: Based on the panel data of 31 provinces and municipalities inChinafrom 1998 to 2016, this paper studies the effect of demographic structure on social security expenditure inChinaby using entity fixed effect regression model. The results show that there is a long-term co-integration relationship between population aging and social security expenditure in the demographic structure, and there is a positive correlation between population aging and social security expenditure. And the different cross-sectional effects in 31 regions of China reflect the difference between population aging and social security expenditure in different regions of China.
The Contrastive Analysis of China’s Bond Financing and Stock Financing—Based on PVAR Model  [PDF]
Shichang Shen, Ying Wu
Journal of Mathematical Finance (JMF) , 2018, DOI: 10.4236/jmf.2018.83033
Abstract: Through the establishment of the panel vector autoregressive model (PVAR), taking the 31 provincial panel data from the fourth quarter of 2013 to the second quarter of 2018 as research samples, the empirical test on the regional effects of bonds and stocks on social financing is carried out. The results show that the impact of bonds on social financing is greater than the impact of stocks on social financing. Compared with the economically less-developed regions and economically underdeveloped regions, the social financing in economically developed regions is the most sensitive to bonds and stocks. And the bonds and stocks in economically developed regions have a greater and far-reaching impact on social financing.
Empirical Analysis of Commercial Housing Sales Based on EARCH(1,1) Model  [PDF]
Shichang Shen, Chao Feng
Open Journal of Statistics (OJS) , 2019, DOI: 10.4236/ojs.2019.92021
Abstract: Since the 1980s, China’s commercial housing market has shown an unprecedented rapid development, and the commercial houses still has a high price. This paper studies the sales rate of commercial housing sales to find an appropriate model, and it analyzes the volatility of the commercial housing market to describe the sustainable development of the commercial housing market. By selecting month data of China’s commercial housing sales from January 2006 to October 2018, this paper uses EViews7.2 and the ARMA Model as the tool in order to establish EARCH(1,1) through the method of quantitative analysis. It is found that the yield of commercial housing sales has obvious cluster, asymmetry and leverage effect, and the impact of adverse news on the commercial housing market is more significant than the impact of favorable news.

An Empirical Analysis of the Total Retail Sales of Consumer Goods by Using Time Series Model  [PDF]
Shichang Shen, Xiaoyi Dong
Journal of Mathematical Finance (JMF) , 2019, DOI: 10.4236/jmf.2019.92009
Abstract: With the continuous improvement of living standards, the total amount of social consumer goods in China’s economic development has occupied an important position. Its fluctuations can indirectly reflect the demand and purchasing power of commodities, thus affecting the state’s macroeconomic regulation and control. This paper selects the total amount of social consumer goods in China from August 2005 to February 2019. Using EViews 7.2 software, this paper makes use of the correlation analysis of sequence fluctuation in econometrics and financial time series, and finds the best fitting EGARCH (1,1) model based on ARMA (1,0) to conduct an empirical analysis of the total amount of social consumer goods in China, and concludes that the total amount of social consumer goods in China has leverage effect.
The Structural Relationship between Chinese Money Supply and Inflation Based on VAR Model  [PDF]
Shichang Shen, Xiaoyi Dong
Applied Mathematics (AM) , 2019, DOI: 10.4236/am.2019.107041
Abstract: With the development of economy, more and more attention is paid to the relationship between money supply and inflation in the economic field. This paper chooses consumer price index (CPI) as an important index to measure the level of inflation, by choosing between January 2008 and March 2019 money in circulation M0, narrow measure M1, broad measure M2, consumer price index CPI monthly data as sample, building a vector autoregressive (VAR) model and using econometric methods of impulse response function and variance decomposition, and finally characterizes money in circulation M0, narrow measure M1, broad measure M2 and the relationship between consumer price index CPI and different sizes of the impact of inflation in the money supply relationship.
Empirical Analysis of Gross Domestic Product and Coal Import Based on VAR Model  [PDF]
Shichang Shen, Chao Feng
Advances in Pure Mathematics (APM) , 2019, DOI: 10.4236/apm.2019.97031
Abstract: The speed of China’s economic development is gradually accelerating, and the demand for energy is also constantly increasing, especially the demand for coal. In order to reveal whether the coal imports have an impact on China’s economic development, this paper constructs the VAR(6) model by selecting the quarterly data of coal imports (CIV) and gross domestic product (GDP) from 2002 to 2017, performing ADF (Augmented Dickey-Fuller) stationarity test and Johansen cointegration test. It shows that there is a long-term stable equilibrium relationship between coal imports and GDP. Then the impulse response function is used to obtain the relationship between coal imports and GDP. It is found that the impact of coal imports on GDP is greater than the impact of GDP on coal imports.
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