According to the related data affecting the peasants’ income in China in the years 1978-2008, a total of 13 indices are selected, such as agricultural population, output value of primary industry, and rural employees. According to standardized method and BP neural network method, the...

In economics, common factors are often assumed to underlie the co-movements of a set of macroeconomic variables. For this reason, many authors have used estimated factors in the construction of prediction models. In this article, we begin by surveying the extant literature on diffusion indexes....

Coal is the dominating energy source in China. Although the supply and demand of coal has kept equilibrium along with China's continuous and steady economic development in recent years, the sustainable production ability has been seriously decreasing. In this paper, a system dynamics model is...

The paper examines the evolution of price and consumption of oil in the last decades to construct a relationship between them. Then the work considers three possible scenarios of oil price: parabolic, linear and chaotic behaviour, to predict the evolution of price and consumption of oil up to...