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The cointegration test, ECM model, impulse response function and other econometric methods are used in this paper to analyze the impact of coal prices fluctuations on the effectiveness of CPI and its delay impact. The results show that there is a long-term equilibrium relationship between coal prices and the CPI in China. The effectiveness of coal price fluctuations on the CPI is about 0.157% in the...
A verification model of coal price (VEC) is established by using cointegration analysis method in this article, and an empirical study is carried on the corresponding statistics from the year 1985 to 2008. It shows that the main factors affecting coal prices are the output value of industry, GNP, retail price index, coal cost and coal supply. Considering the factors, the proposed verification model...
Most west studies have emphasized the psychological profile of the deal-prone consumer. However, consumers with different culture background and under different market environment would show different responses to promotions. In this paper, taking Chinese women clothing consumers as research object, structural equation model is applied to analyze the effects of consumer's psychological characteristics...
Although sales promotions have great effects on the consumers, not all the consumers respond to them and different consumers have different reactions to the same promotion. In this paper, we take Chinese women clothing consumers as the research object and apply structural equation model to empirically research the effects of consumer's psychological characteristics on general deal-proneness. The findings...
The simulation software developed by C++ Build language based on activated sludge model 2d (ASM2d) was carried out to address the effects of dissolved oxygen (DO) on the behavior of biological nutrient removal in a sequencing batch reactor (SBR) system. Changes of COD, nitrogen and phosphorus concentrations could be reliably predicted according to the time arrangement of every phase adapted to the...
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