With accelerated marketization process of the real estate, its effect in stimulating and stabilizing the market economy becomes more and more large. Because market development of the real estate is less well-developed, investment manias of real estate prick up the risk of investment. Therefore, the use...

Gejiu tin ore zone is one of the largest tin polymetallic ore zone and takes the most important roles in the southeast Yunnan province. Gaosong field is located in north east of Gejiu mining district Fault structure of Gaosong field in the Gejiu tin deposits plays an important role in controlling ore...

In this paper, we analyze causal relationship between foreign direct investment (FDI) and economic growth of Gansu province in China using time-series data from 1986-2010. The analysis is conducted by the means of time-series estimations through ADF unit root test, co-integration tests, error-correction...

This paper investigates the estimation problem of semi-parametric partially linear varying-coefficient models by the technique of back-fitting. In order to avoid the disturbance of multi-collinearity and improve estimation efficiency, we apply principal component analysis to semi-parametric partially...

Since credit is assumed as a critical vehicle for poverty alleviation, it is necessary to examine what are the key factors affected rural households’ credit constraints. This paper investigates the determinants affecting the rural households’ credit constraints in Jiangxi province of the southern China....

Contact tightness in today's diverse blend of modern society and its important significance, large national foreign policy and external activities, small business marketing and interpersonal, which virtually every corner of modern society. This article aims to study the world's main close ties to the...

With the rapid development of mobile Internet, the degree of integration of online business and lines entities has become more and more closely. Thus it is forming a new model: O2O mode. For this reason, this paper analyzed the O2O mode. And this paper is using actual case to analyze it. At the end,...

With the development of economy and the progress of society, the quality requirements of resettlement housing are increasing, which has brought great challenges to the resettlement housing construction. How to control the cost while ensuring the quality has become a concern of enterprises. This paper...

Volatility in the financial market is an important variable, which in asset pricing, investment, risk management and policy-making process plays an important role. Methods for predicting volatility are mainly divided into two categories, one is the historical information method, based on the historical...

Urbanization is a process of overall development on the aspects of population, economy, society and land. As the carrier of economic, social communication and logistics interaction between the city and outside world, air transport industry is greatly affected by urbanization. By choosing 1995-2012's...

This article proposes a new algorithm of constructing Boolean function, that is, the dual algorithm, to overcome the drawback of the existing algorithm. Through comparing the two algorithms by calculating a Boolean function of two graph properties, we show the strengths and weakness of the two algorithms.